Here are listed monuments and attractions No. 101 - 200 described in this Website.
Click on headings to sort the table!
|101||Haha Falls||United States, Hawaii, Moloka'i||Waterfalls||8||Approximately 240 m tall fall, one of seven tall waterfalls at the upper rim of Kamalo Canyon.|
|102||Waimanu Falls, Moloka'i||United States, Hawaii, Moloka'i||Waterfalls||8||Approximately 550 m high waterfall, the highest drop - 120 m.|
|103||Lonad Caves||India, Maharashtra||Rock-cut architecture, Buddhist shrines, Hindu shrines||7||Small group of ancient Buddhist rock-cut caves from the 5th century AD. Chapel - chaitya - contains valuable stone carvings.|
|104||Gavi Gangadhareshwara||India, Karnataka||Rock-cut architecture, Hindu shrines||5||Unique monument of architecture and planning - unusual rock-cut Hindu temple from the 9th century, where the Sun shines on shrine only for short while during the religious festivity in middle of January.|
|105||Mahakali Caves or Kondivita Caves||India, Maharashtra||Rock-cut architecture, Buddhist shrines||9||Group of 19 caves built by Buddhists in the 1st century BC - 6th century AD and located in suburbs of Mumbai.|
|106||Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Ecosystems, Springs, Caves||1||Unique system of numerous sinkholes up to 339 m deep, created by thermal acidic waters from the bottom up. Some sinkholes have sealed up in natural way and possibly contain unique organisms.|
|107||La Pilita sinkhole, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Lakes||8||110 m deep sinkhole in the unique Zacatón karst field.|
|108||El Nacimiento spring, Sistema Zacatón||Mexico, Tamaulipas||Springs, Sinkholes||7||Powerful spring and sinkhole in the unique Zacatón karst field, united with El Zacatón sinkhole through 230 m long underground passage.|
|109||Poza del Caracol, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Lakes||7||Deep sinkhole in the group of unique Zacatón sinkholes. Full depth has not been reached.|
|110||Poza Verde, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Lakes||8||Large sinkhole in the unique Zacaton karst field.|
|111||Cenote Azufrosa and La Cristalina, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Springs, Lakes||8||Part of the unique Sistema Zacaton. Cenote Azufrosa is silted sinkhole - now small, shallow pool. La Cristalina is crystal clear, up to 50 m deep pool along the edge of Cenote Azufrosa.|
|112||Cavernas Las Quarteles, Sistema Zacatón||Mexico, Tamaulipas||Caves||8||Part of the unique Zacatón karst field - dry, large cave passage system, over 1,500 m long, with numerous collapse sinks.|
|113||Palmita, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes||9||Smaller sinkhole in the unique Zacatón karst field.|
|114||Poza Seca, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Ecosystems, Lakes||4||Sinkhole closed with travertine cap, part of the unique Sistema Zacaton. Most likely it hides unknown life forms, not investigated.|
|115||Poza Tule, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Lakes||7||Largest sinkhole (by diameter) in Sistema Zacaton. It has two travertine lids.|
|116||Poza Garapata, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Ecosystems, Lakes||8||One of the sinkholes of the unique Sistema Zacatón. Possibly covered with travertine lid.|
|117||El Zacatón sinkhole||Mexico, Tamaulipas||Sinkholes, Ecosystems, Lakes||4||The deepest water filled sinkhole in the world. Total depth - 339 m, lake is 319 m deep.|
|118||Cueva La Iguana, Sistema Zacatón||Mexico, Tamaulipas||Caves||9||One of the caves in the unique Sistema Zacatón.|
|119||Laguna Colorada, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Lakes||8||One of the unique sinkholes in Sistema Zacatón, little explored.|
|120||Cenote Amarillo, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Lakes||8||One of the unique sinkholes in Sistema Zacatón.|
|121||Atascosa pool, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Lakes||9||Shallow pool created by the unique karst processes of Sistema Zacaton.|
|122||Cenote Alameda, Sistema Zacatón||Mexico, Tamaulipas||Sinkholes, Lakes||8||One of the unique sinkholes in Sistema Zacatón.|
|123||Caverna Travertina, Sistema Zacatón||Mexico, Tamaulipas||Springs, Caves||7||Powerful spring flowing out of cavern with impressive travertine formations.|
|124||Calçoene megalithic observatory - Amazon Stonehenge||Brazil, Amapa||Megaliths||6||The largest known megalithic stone ring in north-eastern Brazil. Consists of 127 vertically placed granite slabs which possibly were used to calculate winter solstice.|
|125||Sótano de las Golondrinas - Cave of the Swallows||Mexico, San Luis Potosí||Sinkholes||3||Giant, 372 m deep sinkhole - largest and one of the deepest cave shafts in the world.|
|126||Hoya de las Guaguas||Mexico, San Luis Potosí||Sinkholes||5||Sinkhole - cave of giant size. Entrance shaft is 202 m deep, total depth 478 m, cave chamber up to 290 m tall. Thousands of swifts and parrots live in the sinkhole.|
|127||Sótano del Barro||Mexico, Querétaro||Sinkholes||5||One of the largest sinkholes of the world. 455 m deep hole in the ground (410 m direct fall), 420 m long and 200 m wide, formed in Lower Cretaceous limestone.|
|128||Pozzo del Merro||Italy, Lazio||Caves, Sinkholes, Lakes, Geographical extremes||5||The second deepest known water filled sinkhole - cave system in the world with at least 392 m deep waterbody, total measured depth - 472 m, formed in Triassic limestone.|
|129||Black Hole of Andros||Bahamas, South Andros||Sinkholes, Ecosystems, Lakes||3||Black hole - the only formation known in the world where microorganisms have increased the temperature of water - here it reaches 36°C. Approximately 300 m wide and up to 47 m deep round karst formation.|
|130||Dean's Blue Hole||Bahamas, Long Island||Sinkholes||4||The 202-203 m deep Dean's Blue Hole is the deepest known blue hole in sea. It is used in yearly world championship of freedivers and numerous world records are set here.|
|131||Great Blue Hole||Belize, Belize District||Sinkholes||4||124 m deep, perfectly round, submerged, deep blue sinkhole in the middle of atoll. At the depth of 40 metres contains numerous stalactites which provide valuable information about the past of Earth climate.|
|132||Minyé sinkhole and cave||Papua New Guinea, East New Britain||Sinkholes, Caves||3||Up to 510 m deep, giant sinkhole in equatorial jungle. At the bottom it is crossed by powerful underground river, opening entrances in enormous, at least 5.4 km long cave with some of the largest cave chambers in the world.|
|133||Naré sinkhole||Papua New Guinea, East New Britain||Sinkholes, Caves||4||Enormous sinkhole in intact rainforest of Nakanai Mountains in New Britain. Depth of sinkhole is up to 310 m, below there is powerful river with extensive cave passages.|
|134||Mamo plateau||Papua New Guinea, Southern Highlands||Sinkholes||6||Unique limestone plateau with more than 100 giant karst dolines close next to other. These structures are similar to sinkholes and are formed by underground rivers, which discharge in the middle part of spectacular escarpment - southern rim of plateau.|
|135||Mamo Kananda Cave||Papua New Guinea, Southern Highlands||Caves||5||Longest cave in Papua New Guinea. Total known length 54,800 m, depth - 528 m. Contains several giant chambers.|
|136||Xiaozhai tiankeng||China, Chongqing Municipality||Sinkholes, Geographical extremes, Ecosystems||1||Largest known sinkhole in the world, up to 662 m deep and 626 m wide pit with vertical walls. On the bottom grows unique forest.|
|137||Dashiwei tiankeng||China, Guangxi Zhuang Autonomous Region||Sinkholes, Caves, Ecosystems||2||Second largest known sinkhole in the world, 613 m deep and 600 m wide pit with vertical walls and unique forest at the bottom.|
|138||Majlis al Jinn||Oman, Ash Sharqiah Region||Sinkholes, Caves||4||Giant cave room with natural lighting through three holes in the ceiling. Majlis al Jinn is single, 58,000 m2 large and up to 120 m high cave room formed by karst processes.|
|139||Tawi Atair sinkhole and cave||Oman, Dhofar Governorate||Sinkholes, Caves, Lakes||6||211 m deep and up to 140 m wide sinkhole with partly flooded cave at the bottom. Endemic fish lives in the cave lake - the only freshwater fish in 600 km radius.|
|140||Teiq sinkhole and cave||Oman, Dhofar Governorate||Sinkholes, Caves||5||One of the largest sinkholes in the world. Volume - 90 million cubic metres, depth up to 250 m, width 750 - 1000 m. Two perennial streams enter this sinkhole and disappear underground.|
|141||Crveno Jezero - Red Lake||Croatia, Split-Dalmatia||Sinkholes, Lakes||3||One of the largest and most impressive sinkholes in the world - approximately 530 m deep, with nearly vertical walls. Contains 280 - 290 m deep lake with endemic species of fish.|
|142||Modro Jezero - Blue Lake||Croatia, Split-Dalmatia||Sinkholes, Lakes||6||Giant collapse structure - sinkhole. Depth 290 m, at the bottom for most part of the year is seen deep blue lake - popular swimming place.|
|143||Catatumbo Lightning||Venezuela, Zulia||Meteorological phenomena, Geographical extremes||4||The most persistent thunderstorm of the world and most powerful generator of upper tropospheric ozone in the world, linked to certain location. Sometimes in one night can be seen even 20,000 flashes of lihgtning.|
|144||Morning Glory of Carpentaria Gulf||Australia, Queensland and North Australia||Meteorological phenomena||4||The only location in the world where on regular basis can be observed highly unusual atmospheric phenomenon - low lying, up to 1000 km long, narrow, rope-like clouds quickly passing by in early mornings.|
|145||Cherrapunji (Sohra)||India, Meghalaya||Meteorological phenomena, Geographical extremes||6||One of the rainiest places of the world with rainfall reaching up to 24,555 mm per year.|
|146||Mawsynram||India, Meghalaya||Meteorological phenomena, Geographical extremes||6||One of the rainiest places of the world, Mawsynram gets 11,872 mm of average annual precipitation.|
|147||Nohkalikai Falls||India, Meghalaya||Waterfalls||4||335 m tall waterfall with a single plunge, one of the most impressive in India. Name of falls comes from a legend about tragic events in local village.|
|148||Mawsmai Cave||India, Meghalaya||Caves||9||The first show cave in Meghalaya, approximately 250 m long cave with beautiful cave formations.|
|149||Mawjymbuin Cave||India, Meghalaya||Caves, Hindu shrines||9||209 m long cave, famous due to peculiar stalactite and stalagmite, the latter resembles a Shiva linga thus turning the cave into Hindu shrine.|
|150||Chir Batti||India, Gujarat||Meteorological phenomena, Ghost sites||6||Balls of light floating near the ground level around the plains of Banni grasslands, noticed since ancient times. There is no scientific explanation to this phenomenon.|
|151||Naga fireballs of Mekong||Thailand, Northeast and Laos, Vientiane Province||Meteorological phenomena, Site of legends||4||Mysterious phenomenon - red balls of light rising up from the waters of Mekong, especially frequent at full moon in October. There is no convincing explanation of these lights.|
|152||Roopkund - Skeleton Lake||India, Uttarakhand||Meteorological phenomena, Lakes, Site of legends||6||Small lake in Himalaya located at great height. At the lake are located skeletons of more than 500 piligrims who died here in 850 AD. Most likely reason of their sudden death is sudden hailstorm.|
|153||Markansu Desert - Valley of Tornadoes||Tajikistan, Kuhistoni-Badakhshon Autonomus Province||Meteorological phenomena, Site of legends||7||Valley with extreme climate, lowest temperatures outside polar areas and very frequent and dangerous dust devils similar to tornadoes. This valley was crossed by the Great Silk Road and numerous caravans have perished here.|
|154||Katabatic winds at Commonwealth Bay||Antarctica||Meteorological phenomena, Geographical extremes||5||Windiest place on Earth with powerful katabatic winds which might exceed the speed of 320 km/h. Average annual speed of wind here is 80 km/h - similar to storm.|
|155||Dome A - coldest place on Earth||Antarctica||Meteorological phenomena, Geographical extremes||6||Eventually the coldest place on Earth, located in Antarctic desert some 4090 m above the sea level. Coldest measured temperature is -83.5 °C but it is expected that temperature here may fall even below -100 °C.|
|156||Ridge A - best place for astronomy research on Earth||Antarctica||Meteorological phenomena, Geographical extremes||7||The place with the clearest sky in the world, best suited location for astronomical observations. Possible the coldest place on Earth, not reached by people yet.|
|157||Paasselkä devils||Finland, Southern Savonia||Impact craters, Meteorological phenomena, Lakes, Ghost sites||7||Unusual phenomenon - bright lights howering above the water of Lake Paasselkä, observed by local people at least for several centuries.|
|158||Hessdalen lights||Norway, Sør-Trøndelag||Meteorological phenomena||5||In this location often are observed balls of light floating in the air. This phenomenon has been researched since 1983 but no explanation has been found thus far.|
|159||Poás Volcano and Laguna Caliente||Costa Rica, Alajuela||Volcanoes, Ecosystems, Meteorological phenomena, Lakes||5||2,708 m high volcano with the unique Laguna Caliente - extremely acid crater lake experiencing frequent phreatic explosions. Volcano creates some of the most acid rains of the world, creating area devoid of any vegetation.|
|160||Gandom Beryan in Lut Desert||Iran, Kerman||Meteorological phenomena, Geographical extremes||6||This dark colored lifeless plateau has the hottest land surface on Earth with temperatures reaching up to 71° C. This is enough to fry an egg.|
|161||Yungay - the driest place in the world||Chile, Antofagasta||Meteorological phenomena, Geographical extremes, Ecosystems, Biological extremes||5||Lifeless, extremely dry area near an abandoned nitrate mining town. Possibly the only soil without any traces of life on Earth. Researched by astrobiologists as this location might provide answers about the borderline between liveable and nonliveable environments.|
|162||Kifuka - place where lightning strikes most often||Democratic Republic of the Congo, Sud-Kivu||Meteorological phenomena, Geographical extremes||7||Location with the highest known frequency of lightning flashes. Lightning strikes every square kilometre of the land near Kifuka 158 times per year.|
|163||Inga Falls||Democratic Republic of the Congo, Bas-Congo||Waterfalls, Rapids and whirlpools, Ecosystems||4||The largest rapids of the world. Congo River here falls 96 m over the distance of 15 km. Numerous endemic fishes live here, in the deepest river of the world.|
|164||Yoro Fish Rain - Lluvia des Peces||Honduras, Yoro||Meteorological phenomena, Sites of legends||7||Once in a year in May - July strong thunderstorm comes to Yoro. After this storm in the meadows is found stranded fish which is not native to Yoro. Most likely the fish is not falling from the clouds but is rather brought by flash floods.|
|165||Balete tree in Maria Aurora (Millenium Tree)||Philippines, Aurora||Trees||3||Giant banyan - balete tree. Height of this tree reaches 60 - 65 m, girth of the trunk seems to exceed 30 m. One can enter inside the tree.|
|166||Salinas Salt Springs||Philippines, Nueva Vizcaya||Springs, Spring tufa, travertine and other formations||6||Unique spring which once created large, white travertine cupola with rimstone pools.|
|167||Barangay Alegria Toog||Philippines, Agusan del Sur||Trees||4||One of the highest trees in the world - 96.9 m tall Philippine rosewood tree.|
|168||Doerner Fir||United States, Oregon||Trees||4||The tallest coast Douglas fir (Pseudotsuga menziesii var. menziesii) in world, 99.8 m tall.|
|169||Klinki in Bulolo Valley||Papua New Guinea, Morobe Province||Trees||7||The tallest known araucarias in the world - reportedly up to 88.9 m tall Araucaria hunsteinii.|
|170||Swartwater Tree||South Africa, Limpopo Province||Trees||5||One of the largest trees in South Africa. Circumference of trunk is 24.55 m, height 28.4 m.|
|171||Hyperion||United States, California||Trees, Biological extremes||2||The tallest publicly announced tree in the world - 115.66 m tall coast redwood (Sequoia sempervirens), diameter 4.63 m.|
|172||Neeminah Loggorale Meena - the tallest Tasmanian blue gum||Australia, Tasmania||Trees||7||The tallest known Tasmanian blue gum (Eucalyptus globulus) in the world, 90.7 m tall.|
|173||White Knight - the tallest manna gum||Australia, Tasmania||Trees||7||The tallest known manna gum (Eucalyptus viminalis) in the world, located in Tasmania. Height - 91.3 m, girth 11 m.|
|174||Tallest Giant Sequoia in Redwood Mountain Grove||United States, California||Trees||7||Very tall giant sequoia (Sequoiadendron giganteum), 94.9 m tall.|
|175||Raven's Tower - tallest Sitka spruce||United States, California||Trees||7||Tallest known Sitka spruce (Picea sitchensis), 96.7 m tall.|
|176||Noble Fir in Goat Marsh||United States, Washington||Trees||8||Tallest known noble fir (Abies procera), 89.9 m tall. Tree is dead.|
|177||Mele Cascades||Vanuatu, Shefa||Waterfalls||7||One of the most popular tourist attractions in Vanuatu - waterfall with numerous tufa cascades. Tallest plunge is 45 - 50 m high.|
|178||Norfolk Island subtropical rainforest||Australia, Norfolk Island||Ecosystems||5||Remnant of unique subtropical rainforest. Here still are found numerous endemic species of plants and animals including Norfolk pine and the tallest tree fern of the world - up to 20 m tall Cyathea brownii.|
|179||Christmas Island subtropical forest and red crabs||Australia, Christmas Island||Ecosystems, Animal colonies||3||Unique rainforest with the highest diversity of land crabs in the world. Forest ecosystem is dominated by endemic red crabs Gecarcoidea natalis whose yearly migration to the sea is one of most impressive animal migrations worldwide.|
|180||Hosnies Spring mangroves||Australia, Christmas Island||Ecosystems, Springs||5||120,000 years old grove of mangroves. The ground here has rised 24 - 37 m above the sea level and ecosystem is maintained wet by springs. Mangrove trees have reached exceptional size.|
|181||The Dales of Christmas Island||Australia, Christmas Island||Ecosystems, Springs||7||Seven - eight valleys in the rainforest of Christmas Island, contain numerous biological values including blue land crabs. Several dales form deep ravines.|
|182||Hugh's Dale Waterfall||Australia, Christmas Island||Waterfalls, Springs, Spring tufa, travertine and other formations||8||10 - 15 m tall waterfall. Spring water has precipitated tufa, forming impressive wall and several rimstone pools below it.|
|183||McDonald Islands||Australia, Heard Island and McDonald Islands||Volcanoes||7||Remote, little known group of islands of volcanic origin. Volcanic activity restarted in 1992 after 75,000 years long period of dormancy and eruptions in 2001 significantly increased the size of islands.|
|184||Hapupu dendroglyphs||New Zealand, Chatham Islands||Other archaeological monuments||5||Unique monument of culture - carvings in kopi trees left by Moriori people in the 17th - early 19th century. In late 1990 here still were 82 trees with 98 carvings. Purpose and meaning of carvings is not clear.|
|185||Taia dendroglyphs||New Zealand, Chatham Islands||Other archaeological monuments||7||Second largest group of kopi trees with carvings left by Moriori people in the 17th - early 19th century. In late 1990 here still was 21 tree with 26 carvings. Purpose and meaning of carvings is not clear.|
|186||Lake Kairae dendroglyphs||New Zealand, Chatham Islands||Other archaeological monuments||7||Group of kopi trees with carvings left by Moriori people in the 17th - early 19th century. In late 1990 here still were 16 trees with 22 carvings. Purpose and meaning of carvings is not clear.|
|187||Talava Arches and Caves||Niue||Natural arches, Caves, Sinkholes||6||Impressive system of karst formations: several beautiful caves, three large natural arches up to 35 m wide and a sinkhole.|
|188||Ara Metua - ancient Polynesian road||Cook Islands||Roads and paths, Megaliths||6||One of the most impressive ancient Polynesian roads - 29 km long road which until recent times was paved with basalt and corall stones. Built sometimes around 1050 AD.|
|189||Arai Te Tonga - most sacred marae in Rarotonga||Cook Islands||Ancient shrines, Megaliths||7||The most sacred site in Rarotonga Island, developed around 1250 AD and serving as the administrative and spiritual centre of the island until the early 20th century.|
|190||Wairere Falls||New Zealand, Waikato||Waterfalls||6||The tallest waterfall in North Island. Height of falls - 153 m, formed over tectonic fault.|
|191||Browne Falls||New Zealand, Southland||Waterfalls||6||The tallest waterfall in New Zealand, cascading down from Lake Brown into Doubtful Sound. Height of falls is 836 m over the distance of 1130 metres.|
|192||Sutherland Falls||New Zealand, Southland||Waterfalls||3||One of most impressive falls in the world, 580 m tall waterfall with three cascades.|
|193||Nusa Roviana hillfort and shrines||Solomon Islands, Western Province||Prehistoric settlements, City walls, Prehistoric fortifications, Prehistoric and ancient shrines, Sites of legends||5||Fortified settlement of Roviana head hunters, with 13 legendary shrines. Includes the famous Tiola shrine with mythical idol - dog sculpture. Built in 1350 - 1800 AD.|
|194||Kakamora Caves - mystery of the dwarf people||Solomon Islands, Makira - Ulawa Province||Caves, Cryptozoology||7||Unidentified limestone caves in the central part of Makira island where purported mythical beings - kakamoras - are or were living. These legends might point to a tribe of small people really living here before the coming of current inhabitants of Makira.|
|195||Dwarfie Stane||United Kingdom, Scotland||Rock cut architecture and sculptures, Megaliths, Prehistoric and ancient cemeteries, Sites of legends||5||Enormous sandstone slab - glacial erratic. Roughly at 3,000 - 2,500 BC hollowed out with a passage with two side chambers. Passage was plugged with a 1.5 tons heavy stone plug - door.|
|196||Stonehenge||United Kingdom, England||Megaliths, Prehistoric and ancient cemeteries||1||One of the best known megaliths in world. Stonehenge was developed in its present form in 3100 - 2300 BC and consists of complex stone settings including a stone ring with lintels. Stone settings have astronomical orientation and serve as a centre of large complex of archaeological monuments.|
|197||La Hougue Bie||United Kingdom, Jersey||Megaliths, Prehistoric and ancient cemeteries||3||One of the most impressive and best preserved passage graves in Western Europe, built sometimes around 4000 - 3500 BC. Passage is 18.6 m long, covered with 12.2 m high mound with medieval chapels on the top of mound.|
|198||Le Noir Pré orchid meadow||United Kingdom, Jersey||Ecosystems||7||Prominent display of Jersey orchids - meadow with an area of some 2.5 ha. Thousands of these orchids are flowering here each year in late May - early June.|
|199||Pentre Ifan||United Kingdom, Wales||Megaliths||5||One of the best preserved and most picturesque dolmens in Wales, built sometimes around 3500 BC. Impressive feature is 16 tons heavy capstone placed 2.4 m high on the sharp tips of three standing stones.|
|200||Le Déhus passage grave (Le Dehus)||United Kingdom, Guernsey||Megaliths, Prehistoric and ancient cemeteries||5||Large, altered passage grave, made sometimes around 3500 BC. Contains unique artwork - a stone carving showing a bearded man with a bow and arrows.|
Near Janwal village there is located a group of several rock-cut Buddhist temples, made around the 5th century AD - Lonad Caves.
Suburbs of Mumbai hide several groups of unique monuments - ancient rock-cut temples. One of such monuments is the ancient Kondivita Caves - nowadays more often called Mahakali Caves.
One of the most impressive natural landmarks in Mexico is El Zacatón sinkhole. It is the deepest known water filled sinkhole in the world, containing endemic classes of microorganisms and unusual floating islands.
One of the most impressive sinkholes in the world is Sótano de las Golondrinas - Cave of the Swallows. This hole in the ground is that large that it is nearly impossible to comprehend it - even if one is sitting at the rim of it.
There exists a broad term "blue hole" describing any deep, water filled, vertical caves. The 202 - 203 m deep Dean's Blue Hole in Bahamas, Long Island until recent times was the deepest sinkhole in the world's oceans and seas.
The largest and, as it seems, the most impressive karst formation in Dinaric Alps is Crveno Jezero - one of the largest sinkholes of the world.
One of the tallest and certainly - some of the most beautiful falls in India are Nohkalikai Falls. Water here falls in a single plunge approximately 335 m high.
Commonwealth Bay and especially Cape Dennison is considered to be the windiest place of the world.
There are many interesting volcanos around the world but few are as interesting as Poás volcano in Costa Rica, which contains one of the most acidic lakes of the world - Laguna Caliente - which often changes color and often throws up the acid like a geyser - even hundreds of metres high! This acid lake and surrounding fumaroles produce acid fogs and rains which have wiped out the vegetation near the summit.
There is eerie and somewhat creepy balete tree amidst papaya plantations near Maria Aurora village. It is some 60 - 65 m tall and some 60 adult people are needed to get their arms around this incredible tree.
Several coincidences have spared the highest known white gum of the world - White Knight - from felling. Now this 89 m tall tree is popular tourist destination.
Visit to the beautiful Mele Cascades fulfills the wish of many tourists to see the real nature of Vanuatu - especially if most part of the vacation has been spent in cosy hotels and beaches.
The best known dendroglyphs in the world are located on the largest of Chatham Islands - Rehoa. The largest group of dendroglyphs - Hapupu dendroglyphs is found in J.M. Barker National Historical Reserve. In late 1998 here were found 82 trees with 98 carvings.
It is considered that Wairere Falls are the tallest in Northern Island. This beautiful waterfall is 153 m tall.
The central part of Hoy Island justifies the stereotypes about harsh, nordic, desolate Orkney Islands. Wild cliffs rise above the desert-like peatlands, no trees or shrubs are seen.
Here, in the peatlands (corries) between Quoys and Rackwick is located mysterious monument of the past - Dwarfie Stane.
The word "megalith" brings one immediate association to many people around the world - Stonehenge. This archaeological monument certainly is a part of popculture. It is silent heroe of numerous movies, paintings, comixes and - countless pseudoscientific theories and even religious movements.
Contrary to many other exciting archaeological monuments, Le Déhus is located in a rather unromantic setting - in a sharp bend of street opposite the market garden in the densely populated island of Guernsey. This monument has been extensively excavated and a lot here has been rebuilt and reconstructed. Nevertheless this is magnificent and enigmatic monument of history.