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11. Daallo Frankincense Forest

Cal Madow forest, Somalia
Cal Madow forest, Somalia / Abdirisak, Wikimedia Commons / public domain
Where? Africa, Somalia
Why unique? The only natural forest of the legendary Coptic Frankincense (Boswellia frereana). This forest is unusual – besides the frankincense here grow many unique species of fragrant plants. This could be the most fragrant forest in the world!

12. Daikoku Sulfur Cauldron

Daikoku Sulphur Cauldron at the moment of discovery, Northern Marianas
Daikoku Sulphur Cauldron at the moment of discovery / screenshot from NOAA video / public domain.
Where? Oceania, Northern Mariana Islands
Why unique? Lake of liquid sulphur… below the ocean! This is the largest known sulphur lake with unique organisms (even fishes!) which have “learned” how to thrive in extremely acidic, sulfur-rich environment.

13. Dallol hot springs and geysers

Salt springs in Dallol, Ethiopia
Salt springs in Dallol / , Flickr / CC BY 2.0
Where? Africa, Ethiopia
Why unique? This could be the most colorful place on Earth, but its uniqueness lies in the weird geological processes. Here is the only volcano below the sea level and without water over it. Here have formed the only known geysers of acid and saltwater in the world.

14. Hypersaline lakes beneath the Devon Ice Cap

Sublacial lakes under the Devon Ice Cap, Canada
Sublacial lakes under the Devon Ice Cap, Canada. A. Devon Ice Shield with the location of subglacial lakes. Black lines – ice divides. B. Bedrock elevation around the lakes. / from / CC BY-NC 4.0
Where? North America, Canada
Why unique? Completely isolated, hypersaline lakes where the temperature of water always is below -10.5 °C. Lakes have been isolated from the outer world for at least 120 thousand years and may contain unique life forms. There are not known similar hypersaline lakes elsewhere in the world.

15. Forest of Daisy Trees in Santa Cruz

Unique forest of Scalesia pedunculata, Santa Cruz in Galapagos Islands
Unique forest of Scalesia pedunculata, Santa Cruz / Haplochromis, / CC BY-SA 3.0
Where? South America, Galápagos Islands
Why unique? Forest of an unusual plant – a 20 m tall relative of daisies – Scalesia pedunculata. All trees in this forest have the same age – they grow up together and then suddenly whole forest dies out and starts growing up again from new sprouts.
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Map, 40 unique natural wonders of the world

Most unusual springs – geysers

Every geyser is a wonder because there are not too many such places in the world. Wondermondo knows about some 50 – 55 such places in the world.

Lake Bogoria, geyser and flamingos
Lake Bogoria, geyser and flamingos / , Flickr / CC BY-SA 2.0
Some of these places though are very unusual:

  • Loburu geysers in Kenya could be the most beautiful ones in Africa. Where else one can see geysers together with the beautiful Lake Bogoria with thousands of flamingoes!
  • Peting Chuja and Naisum Chuja in Tibet could be the most mysterious geyser fields in the world which are almost not visited at all. During the winter these geysers form weird ice towers.
  • Valley of Geysers in Kamchatka, Russia has unusual geysers which erupt at various angles.
  • Strokkur in Iceland is very reliable geyser, which erupts every few minutes. Before the eruption it forms very unusual bulge.
  • Echinus Geyser in Norris Geyser Basin, United States is the largest acid geyser in the world, with unusual geological formations around it.
The famous bubble of Strokkur is rising, Iceland
The famous bubble of Strokkur is rising / Andreas Tille, Wikimedia Commons / CC BY-SA 3.0


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