The "Grand Canyon of Southwestern Idaho" makes a spectacular gash across the flat Snake River plain.

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

This set of hot springs also comes with fantastic views.

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

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 museum glorifies the humble potato.

A museum dedicated to the history and art of staying clean.

This U.S. natural reserve is an ancient spiritual place and rock climber’s paradise.

At the site of the most dangerous crossings on the Oregon Trail, a museum explores the complex history of westward migration in America.

This hulking rock formation balances on a pedestal that is 3 feet by 17 inches.

Some 46,000 years ago, a volcanic eruption led to a flooding event that carved this short canyon with steep vertical walls.

An ordinary rancher stumbled upon one of the world’s largest collections of Pliocene horse fossils.

An impressive waterfall nestled in the cliffs of Idaho's Snake River Canyon.

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.

One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

During World War II, over 13,000 people of Japanese ancestry were forcibly removed from their homes and incarcerated in this camp in the Idaho desert.