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

A former sanitarium where soldiers were sent to recover in the healing waters of hot springs.

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

Supposedly Satanic numbers adorn this preserved submarine sail.

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

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

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

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

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

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

This pop-culture shop also offers the chance to become part of their favorite tv show or movie.

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

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

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

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

This museum glorifies the humble potato.

Home to the deepest rift anywhere on Earth.

A giant gopher perched on top of a pint-sized Mexican restaurant pays tribute to classic roadside architecture

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Over 100 miles from the ocean, this ship-shaped building was built in honor of the owner's sailor son.

A kaleidoscope gallery and steampunk emporium named for a pioneering journalist.

This mural of the late David Bowie features eight colorful panels showcasing Bowie’s various alter egos.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.