One of the smallest towns in the United States.

This small piece of railroad history sits behind the parking lot of a chain grocery store.

See six states from the newly restored 100-year-old historic roadside attraction.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Strange red rock formations that have been attributed to a higher power for hundreds of years.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The largest source of fossilized insects anywhere.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

The highest bridge in America was built for an almost unnervingly small amount of money.

A hotel with a rich Wild West history of miners and bootleggers.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A natural formation that resembles a camel resting in the New Mexico desert.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

This bird-shaped rock formation defies gravity, time, and classification.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Legends surround this jagged rock formation in the New Mexico desert.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.