Did You Know?

Venezuela’s Mount Roraima has a flat top that’s almost perpetually clouded.

This ancient plateau, known as a tepui, rises dramatically from the surrounding rainforest. Its isolation and unique climate have led to the evolution of many species found nowhere else on Earth. The mountain's ecology provides insights into evolution and adaptation.

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China’s Stone Forest contains 270-million-year-old limestone formations that look like petrified trees.

The Shilin Stone Forest was created when the seabed was pushed up by tectonic forces and subsequently eroded...

Read more: China’s Stone Forest contains 270-million-year-old limestone formations that look like petrified trees.

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The Door to Hell in Turkmenistan has burned continuously since 1971.

This 230-foot-wide crater was created when Soviet geologists accidentally drilled into a cavern filled with natural gas. They...

Read more: The Door to Hell in Turkmenistan has burned continuously since 1971.

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The Stone Forest of Madagascar features razor-sharp limestone needles.

The Tsingy de Bemaraha contains limestone formations so sharp they can cut through equipment and skin. The hostile...

Read more: The Stone Forest of Madagascar features razor-sharp limestone needles.