This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

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.

"Polynesia on the Plains."

An architect's childhood fantasy treehouse made real.

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

See the computer’s history revealed over the course of 20,000 years.

Bacteria and algae give the salty water its bubblegum hue.

A regular looking rock with an unbelievable history.

Conspiracy theories and occult legends surround this mysterious natural rock formation.

The UFO capital of Australia is the outback’s answer to Roswell.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

The site of a mysterious pony massacre is rich with extraterrestrial conspiracy theories.

A working ranch doubles as a sustainable hub for world-renowned classical music and large-scale sculptures.

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

Every president in history is immortalized in bronze in downtown Rapid City.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Known as "The Hill of the Little Devils."