Earth's STRANGEST Lost Worlds

The most unusual lost worlds on the planet! From twin jungle sinkholes atop mountains in South America to frozen lakes hidden below sea level in Antarctica

#13 Mount Roraima
A 12-square mile summit, Mount Roraima stands tall at 1,300 ft. of green-covered cliffs. This spectacle acts as the centerpiece between the neighboring countries of Brazil, Guyana, and Venezuela in the middle of dense rainforests. From atop the plateau, the misty fog surrounding the mountain transform this exotic location into a real life Mount Olympus as low-sitting clouds sit far below the ledge.
In addition to its commanding presence, Mount Roraima hosts a plethora of the surrounding forests’ endemic species; animals and plants that can only be found here in the world. This includes a species specifically unique to the summit: the Roraima Bush Toad. Small, textured, and stealthy, this toad blends in perfectly with the plateau as even its croak resembles the sound of dripping water, a tune that’s common on the humid peak.

#12 Sima Humboldt & Sima Martel
Not far from the towering grace of Mount Roraima are the treacherous sinkholes of Sima Humboldt and Sima Martel. These two enormous sinkholes are well known for their size, state and circumstance of formation. Sitting atop Sarisariñama, a large flat-top mountain known as a tepui, these two sinkholes are not only surrounded by forest but carpeted with vegetation and wildlife at their base as well. The sinkholes boast volumes up to 640 million cubic feet, with nearly a 100-story drop from the top to the bottom.
Research in the 1970s uncovered the truth that the tepui is made of quartzite and the erosive nature of the mineral lead to these sinkholes, as well as cave formations across the mountain. Studying this process has helped scientists research the nature of the erosive process of quartzite for decades as even today the tepui is sealed off to non-scientific visitors.

#11 Easter Island
Settled by the easternmost Polynesian tribe known as the people of Rapa Nui, Easter Island is most well known for the stonework they left behind. The Rapa Nui people used different types of stone in their work pulling from the natural resources of the island for basalt, obsidian, scoria and more. From this rock they crafted many items, glyphs, buildings, and, of course, the iconic moai statues characterized by their large oblong shaped heads and rigid expressions. The island itself maintains a relatively low population at 91 people per square mile, however it is extremely remote for its size with every nearby island at least 1,200 miles away!

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