The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

A clear blue swimming hole with hidden caves, still unexplored.

A frozen oasis lies beneath the scorching New Mexico desert.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

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

A motel dedicated to Southwestern nostalgia.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

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

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

More than a century old, this trading post resides in the Navajo Nation.

John Wayne, Ronald Reagan, and other Hollywood actors have resided in this picturesque Route 66 hotel.

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

Crisp mountain water cascades over volcanic rocks at these secluded falls outside Pagosa Springs.

An ordinary rancher stumbled upon one of the world’s largest collections of Pliocene horse fossils.

The remains of a large iron mill that once stood in the remote woods of northern Maine.

A shoreline exhibit describing the disastrous first attempt by the French to colonize North America.

This candy-striped tower is the farthest east you can go in the United States.

This 19th century granite fortification is one of the most well preserved forts in New England.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

One of the country's best automotive museums and home to one of the first motor vehicles.

These towering cliffs crystalize each winter, forming sheer walls of ice that are open for climbing.

The site of the gruesome massacre—and maybe cannibalism—of five men, a tragedy that made Alferd Packer infamous.