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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

The winter home of thousands of beautiful snow geese and sandhill cranes.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

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

The final resting place of the living embodiment of the famous Forest Service symbol.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

More than 21,000 images fill this overlooked gem of a prehistoric site.

This is one really big nut.

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

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.