This historic Idaho island is home to a strange timeshare museum, a homemade mini-golf course, and an outhouse named Aunt Fanny.

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

The mayor made the declaration in 2004.

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

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

A few dilapidated structures are all that remain of this deserted former silver mining town.

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

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

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

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.

The famous 102-year-old circus elephant was struck and killed by lightning.

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

This record-setting hydraulic dam in the Montana badlands was one of FDR's most ambitious public works.

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

A collection of huge, site-specific sculptures sitting in the Montana woods.

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

After Havre burned down, the best place to build was under the ashes.

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

The highest point in Montana is as rugged and singular as the state itself.

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

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

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

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.