Supposedly Satanic numbers adorn this preserved submarine sail.

This set of hot springs also comes with fantastic views.

Home to the deepest rift anywhere on Earth.

During its heyday, 72 one-ton buckets from this dredge bore into the Powder River excavating vast gold deposits.

A bronze replica of half-consumed salt lick honors a quirky town tradition.

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

Rare and gorgeous birds abound in this protected wildlife sanctuary.

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

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

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

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.

Home to a timed geyser created by complete accident.

This town is home to the world’s largest arch constructed entirely of elk antlers.

The winter home of thousands of beautiful snow geese and sandhill cranes.

Come for the speed, leave in love with the desert.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A memorial dedicated to the victims of the Columbine High School shootings.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The highest bridge in America was built for an almost unnervingly small amount of money.