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

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

A motel dedicated to Southwestern nostalgia.

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

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Ancient pueblos built into the base of a natural canyon wall.

This historic national park is covered in the stunning ruins of red rock pueblos.

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

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

A museum dedicated to the alleged Roswell Incident.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

A trash dump made beautiful by nature's power.

The unique circular corral belonging to the “Cattle King” of Oregon.

The wooden airship was the largest flying boat ever built.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Wayne Newton's sprawling estate is now open for visitors to catch a glimpse of his "heart and soul."

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

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

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

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