Natural Wonders

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.

Spiral alpine structure provides an alternative experience of viewing the Matterhorn.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

The world's largest bioluminescent area was undiscovered by science until 2005.

Once the home of a hermetic monk, this cave now houses a small church.

This small primate research island is teeming with playing, fighting wild monkeys.

England's most notorious suicide spot.