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

A monument to the egos of two railroad magnates that fell into decline along with their careers.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

A cemetery housing wild west legends in South Dakota.

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

This six-building complex is the home of the world's largest steer.

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

The only road through the heart of Glacier National Park.

This oddity shop contains everything from antique tools to a human skeleton.

After this former brothel closed, its interior remained almost frozen in time.

The mayor made the declaration in 2004.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

Spectacular views await visitors to this lake.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

The first declared National Monument in the United States.

A quirky old tree covered in tokens, cans, and bottles of wishes.

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

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

A proto micro-nation sometimes populated by artists, surrounded on all sides by a Utah most barren.

Almost all that remains of a town dedicated to supporting the First Transcontinental Railroad.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

A popular rock that acted as a waymarker for American pioneers.