Stone money of Yap in Gachpar village
Stone money of Yap in Gachpar village / E.Guinther, , CC-BY-SA-3.0

Weird places

Rai of Yap, Federated States of Micronesia

13 November 2011

There are many amazing things in the small Yap Island but the most surprising is the giant stone money - the famous Rai of Yap.

7 Most Recent Landmarks

Currently described 570 landmarks
  • Crater of Ol Doinyo Lengai volcano, Tanzania

    Ol Doinyo Lengai, Tanzania

    July 17, 2017

    There is only one volcano in the world which is erupting carbonatite lava: Ol Doinyo Lengai in Tanzania. This is not just another dry fact for nerdy scientists: this volcano is very unusual place without analogues in the world.

  • Patomskiy Crater, Russia

    Patomskiy Crater, Russia

    June 22, 2017

    Local people have superstitious fear of Patomskiy Crater. This unique natural formation is unusual indeed and up to this time it is not clear how it formed. There are many exotic theories, some involving fallen UFO with nuclear engine. Currently it is considered that this mysterious crater is unique type of volcano.

  • Ikaite columns in Ikka Fjord, Greenland

    Ikaite tufa columns in Ikka Fjord, Greenland

    June 15, 2017

    In the waters of Ikka Fjord in Greenland there is located amazing and, most likely, unique natural landmark - a "forest" of white columns which rise from the bottom of the fjord and almost reach the surface of water. These columns - Ikka column garden - are formed from very rare and unusual mineral - ikaite.

  • Flooded Oklo Mines, Gabon

    Oklo Mines, Gabon

    June 4, 2017

    First time when humans launched a nuclear chain reaction was in 1942, in Chicago. But there is one place on Earth where nature itself launched a natural nuclear reactor some 1.8 - 1.7 billion years ago - Oklo Mines in Gabon, Africa.

  • Daikoku Sulphur Cauldron, Northern Marianas

    Daikoku Sulfur Cauldron, Northern Mariana Islands

    May 7, 2017

    Earlier people thought that lakes of liquid sulfur are found only in outer space, not on Earth. Since the 2005 - 2006 some are known also on Earth - in deep seas. Most impressive of these sulfur lakes is Daikoku Sulfur Cauldron.

  • Usterling Growing Rock, Germany

    Usterling Growing Rock, Germany

    May 2, 2017

    Sometimes humans can help the nature in creation of its wonders and Usterling Growing Rock in Bavaria is one of such cases. Thanks to centuries long effort there has developed a highly unusual formation - natural, up to 5.4 m tall stone wall with stream flowing along its upper rim

Hot books

Sapiens: A Brief History of Humankind

Yuval Noah Harari has some questions. Among the biggest: How did Homo sapiens (or Homo sapiens sapiens, if you’re feeling especially wise today) evolve from an unexceptional savannah-dwelling primate to become the dominant force on the planet, emerging as the lone survivor out of six distinct, competing hominid species? He also has some answers, and they’re not what you’d expect...

The Lost City of the Monkey God: A True Story

Since the days of conquistador Hernán Cortés, rumors have circulated about a lost city of immense wealth hidden somewhere in the Honduran interior, called the White City or the Lost City of the Monkey God. Indigenous tribes speak of ancestors who fled there to escape the Spanish invaders, and they warn that anyone who enters this sacred city will fall ill and die...

Map of the described landmarks

This map shows the described landmarks. Red dots are architecture monuments, pink - archaeological, blue - geological and meteorological, green - biological. You may find the large map to be easier to use!

Latest articles


Jellyfish Lake, Palau
Eerie reality in Jellyfish Lake / , Flickr / CC BY 2.0

Lakes, bays and streams

April 6, 2017

There are many factors which can make lakes, sea bays or rivers unusual. Some of the most unusual are diverse volcanic crater lakes, lava lakes, lakes in sinkholes, many lakes in deserts and also in... Antarctica.

Mount Cleveland, Alaska


January 24, 2017

The mission of Wondermondo is to describe all the unusual places ("wonders") around the world. Each of the 1,500 active volcanoes and also some of the inactive ones are such unusual places. But, as always in life, some are more unusual than others.

Arve Big Tree, Tasmania, Australia

Tree species which exceed the height of 80 m (update!)

December 27, 2016

The tallest trees of the world are several species of conifers and also eucalypts.

Convincing world record nowadays belongs to coast redwood (Sequoia sempervirens (D. Don) Endl.). Many hundreds of these trees surpass the height of the second highest tree species in the world.