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

This landmark is a central figure in the Nez Perce origin story.

It was once used as a classroom to teach mining skills to local high school students.

Home to a timed geyser created by complete accident.

Supposedly Satanic numbers adorn this preserved submarine sail.

This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."

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

The largest outdoor art gallery in the Northwest United States.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

The mayor made the declaration in 2004.

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

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

A wild west land agreement was etched right onto this historic Idaho stone.

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.

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

When in Idaho, sleep in a giant potato.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

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

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

Natural rock water slides hidden in the remote forests of northern Idaho.

Home to the deepest rift anywhere on Earth.