The only bridge in the United States where BASE jumping is legal without a permit year-round.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

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

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

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.

Home to the deepest rift anywhere on Earth.

This underground cave located in the most barren reaches of Idaho is filled with ice year-round.

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

One of the most remote spots in America and the first protected wilderness area in Nevada, named after an old legend.

The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.

Tucked away on a scenic trail, a modest memorial honors one of the greatest writers of our time.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

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

This work of art by Matthew Mazzotta resides in this park dedicated to the first black legislator in Idaho.

The largest outdoor art gallery in the Northwest United States.

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

Boise State's stadium was the first non-green football field in the world.

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

New Plymouth, Idaho is the only U-shaped town in the United States.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

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.

The farthest you can be in the contiguous U.S. from a McDonald's location.