A dangerous narrow-gauge railroad once traced a route through this striking canyon.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

Colorado's only true geyser is hidden within the San Juan National Forest.

This spectacular track has run continuously since 1882.

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

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

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

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

See massive fossils that are over 200 million years old in northeastern Arizona.

Petroglyphs, bird watching, and a 100-year-old Ranch in one location.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

An homage to everyone's favorite prehistoric cartoon family.

This remote desert watering hole has a connection to a curious chapter of American history.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A tribute to the statues of Easter Island along Route 66.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

Two geoglyphs that are truly unique to North America.