A devilishly named gorge that was a sign of salvation for many pioneers.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

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

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

An architect's childhood fantasy treehouse made real.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

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

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

This small museum is home to some of the oldest and best-preserved dinosaur specimens found in Montana.

Spectacular views await visitors to this lake.

The shortest river in America flows for just 201 feet.

This museum is dedicated to telling the story of dinosaurs from a creationist perspective. 

A sprawling museum located on the former site of the Orphan Girl Mine.

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.

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

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

A classic mystery spot complete with spots that are said to make you shrink or grow when you stand on them.