This Idaho state park boasts the tallest single-structured sand dune in North America.

The secluded site of a 1943 plane crash and amazing rescue is only accessible by hiking through the woods.

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

When in Idaho, sleep in a giant potato.

Two geologically young and nearly circular volcanic subsidence craters, each about a half-mile in diameter, abruptly break the nearly featureless Snake River Plain.

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

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

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

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

The largest outdoor art gallery in the Northwest United States.

Supposedly Satanic numbers adorn this preserved submarine sail.

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

A few dilapidated structures are all that remain of this deserted former silver mining town.

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

Home to the deepest rift anywhere on Earth.

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

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

This set of hot springs also comes with fantastic views.

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

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

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

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.

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

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