A sculpture for the sun and stars, created by Nancy Holt.

Dig for your own trilobites in this goldmine of invertebrates.

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

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

The largest island on the great salt lake is home to curious creatures and strange stories.

Water flowed out of the town's unusual tree stump fountain in the 1930s, and the well still runs today.

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

This rustic old building is said to be the most photographed barn in America.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

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

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

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

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

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

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

An entire town preserved as a historic landmark.

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

A smoke stack so large, the Washington Monument could fit inside!

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

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

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

A classic carnival ride that was carved to be untouchable.

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