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

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

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

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

Star garnets are so rare that you can only find them in two places on Earth—here, you can dig for them.

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

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

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.

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

Supposedly Satanic numbers adorn this preserved submarine sail.

This combination shop and museum is filled with curious items and artifacts.

This historic Idaho island is home to a strange timeshare museum, a homemade mini-golf course, and an outhouse named Aunt Fanny.

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

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

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

Rare and gorgeous birds abound in this protected wildlife sanctuary.

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

Birdhouses, peacocks, animal sculptures, and a graveyard are all found along this eclectic nature trail.

These century-old beehive-shaped kilns were built to produce charcoal for nearby mines.

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

A creek tumbles over a series of step-like rocks to create this scenic water feature.

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

The mayor made the declaration in 2004.