One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

A picture-perfect town, perfect for blowing up.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Mysterious meeting place for UFO hunters near Area 51.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

The rocks in this arid basin leave trails of movement behind them.

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

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

Towering basalt columns, a creation of fire and ice.

A shrine of fire worship built on top of a natural flame.

Mysterious hillside with a continuously burning natural fire.

Unusual rock formations eroded into a landscape of stone beasts.

A fortified city, home to a remaining population of five families

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.