A former sanitarium where soldiers were sent to recover in the healing waters of hot springs.

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

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.

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

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

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

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.

Home to the deepest rift anywhere on Earth.

A world of craftwork elegantly curated in a historic brick warehouse.

Portlandia is the second-largest copper repoussé statue in the United States.

10,000 flowered plants bloom in the City of Roses.

Soak in the life’s work of one of the country’s foremost modern artists.

One of three remaining theatres in the United States created in the Art Deco Mayan Revival style.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

One of the oldest art supply stores in the United States.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

It's easy to forget what century it is as you wander this rustic homestead.

A multiversal transit station located right below a highway interchange.

A downtown park built on top of unclaimed graves.

This museum offers an actual time machine back through Colorado's past.

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

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.