Only a few signs remain of the buried Colorado mining town that supplied the uranium for the first atomic bomb.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Two creeks flow out of either end of this canyon in opposite directions.

A small oasis not far from downtown Moab.

A house carved into a rock in the 1940s.

A remote sandstone plateau named for a legendary cattle rustler.

A river runs through this remote valley in a very unexpected way.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

This ghost town was once a cult-like religious utopian settlement.

Oddly shaped rock formation, misassociated with a nearby utopian community.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

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

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

This spectacular track has run continuously since 1882.

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

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.