A 6-mile-long lake created by an apocalyptic seismic event and the deadly chain reaction that ensued.

Remnants of a town from a bygone era.

The seventh largest spring in the world.

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

This fully restored synagogue explores the American Jewish experience along the old frontier.

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

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.

Calidum et Deliciose Succosum!

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

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

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

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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

One home in the historic strip hides secret compartments and the ghostly songs of long-gone canaries.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

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

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.

These giant metal horses graze on a hilltop near the Montana highway.

A classic carnival ride that was carved to be untouchable.

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