An Idaho legend carved out a cave village with his own two hands.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

These century-old beehive-shaped kilns were built to produce charcoal for nearby mines.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

Supposedly Satanic numbers adorn this preserved submarine sail.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

Jail from the 19th century that was built by inmates.

A few dilapidated structures are all that remain of this deserted former silver mining town.

See just what life was like in a 19th-century prospecting town.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

Home to the deepest rift anywhere on Earth.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Free public park and gardens filled with peacocks and peahens.

A popular swimming hole that hides one of America's most deadly diving spots.

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

This grimly-titled Texas cemetery is all that remains of a Wild West settlement with possibly the worst name.

A mysteriously abandoned campsite in San Angelo State Park.

The end of times arrives, at least for the fish in the O.C. Fisher Reservoir.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

The remnants of sheer survival in Dublin's monastery district.

After just one epic test blast, this literal loose cannon proved too explosive for combat.