Where the writer penned his famous story about a jumping frog.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

Its dark depths conceal millions of rare, delicate crystal formations.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

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

This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.

Each winter this underground cave forms a dazzling ice palace.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

World War II-era Nazi compound nestled in the Santa Monica hills.

Singing sand that stands as the final remains of an ancient lake.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

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

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

Water of undetermined depth has attracted rare fish and cult leaders alike.

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

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

These banned cigarette vending machines now sell little pieces of pocket-sized art.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

A picture-perfect town, perfect for blowing up.