Nature

Dig for your own trilobites in this goldmine of invertebrates.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

Famous for its bio-luminescent inhabitants, known as "dismalites."

A preserved oak tree about 3,500 years old found in Riga, Latvia.

The largest tidal whirlpool in the Western Hemisphere.

A very big rock just plopped down in the New England woods.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

A seemingly endless landscape of pure salt stretches far across Bolivia.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

A stunning silver lining to global warming's gloomy cloud.

This "floating island" plateau sits 7,671 feet above the forest floor.

One of the world's largest salt caves is filled with fragile salt sculptures, salt rivers, and huge salt megadomes.

A remote forest of stone pillars along the Lena river.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.