One of the most unusual geological features, recognizable from a dozen hit movies.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The largest drain hole in the world.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

The ghost town that ended up on Ebay.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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 peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

Odd outsider art installations surround a Gold Rush-era ghost town.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.