A ghost town in a remote corner of Oregon hosts a touching tribute to Sacagawea’s son.

Local history museum with mammoth bones and an old myth about local giants

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

Rare and gorgeous birds abound in this protected wildlife sanctuary.

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

The largest outdoor art gallery in the Northwest United States.

An Egyptian-revival style film house in Boise, Idaho.

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

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

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

A volcanic core jutting above the plain between the Snake and Boise Rivers, a marker identifies the reference point for all U.S. Government Surveys in Idaho.