Spectacular views await visitors to this lake.

A memorial to the most decisive Native American victory of the Plains Indian War.

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

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

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

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

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

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

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

This massive home was constructed by one of the greatest conservationists in Colorado history.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

This naturally-sourced hot spring is now home to a clothing-optional resort.

The largest self-built castle in the U.S., six decades in the making.

According to local legend, a tree grew from the stake that killed this alleged vampire. In reality, he probably died from influenza.

Drift through decades of high desert music history at this funky hometown museum.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

Built in 1981 in collaboration with Andy Warhol, this giant piece of pop art stands on the campus of Colorado State University.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

A tiny town’s tiny museum with some gigantic residents.

A once-thriving hotel from the Old West now sits abandoned, under the threat of demolition.

Many mysteries surround these objects questioning whether they are cannonballs at all.

The rusting relics of Southampton's former luxurious flying boat industry.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.