Take a dip in the world's largest mineral hot springs pool.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

This remote Colorado canyon is home to the second-largest collection of natural arches in the world.

This spectacular track has run continuously since 1882.

A riverside tiny house with books and other treasures galore.

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

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

The former home of the "Mother of Father's Day."

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

A wild west land agreement was etched right onto this historic Idaho stone.

After this former brothel closed, its interior remained almost frozen in time.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

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

The largest outdoor art gallery in the Northwest United States.

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

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

This set of hot springs also comes with fantastic views.

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

The old fire tower is one of the last of its kind in the United States.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

The rocks of a certain area of Butte, Montana give off a musical ring when hit.