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

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.

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

Home to a timed geyser created by complete accident.

A museum dedicated to the history and art of staying clean.

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

Home to the deepest rift anywhere on Earth.

A miraculous natural phenomenon known as "the spring that breathes."

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

This museum glorifies the humble potato.

Supposedly Satanic numbers adorn this preserved submarine sail.

The easiest way to the highest point in Wyoming is only accessible via one hefty fee.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

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

Touch an actual dinosaur bone at this eclectic trove of Rocky Mountain treasures.

A small Montana town commemorates the dog who waited at the train station every day for his owner to return.

Native Americans built this circle of stones, which was used to predict astronomical events.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

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

This amazingly preserved Gold Rush town is a historian's dream.

The shortest river in America flows for just 201 feet.

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

"Polynesia on the Plains."

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.