This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

One of the American Southwest's most extensive collections of Navajo rock art.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

A unique geological area spiked with wind-carved rocks that resemble teepees.

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

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

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

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

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

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

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

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

The handsome statue is a tribute to the post riders who traversed 52 miles of tough Arizona terrain.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

An important piece of history from mankind's journey to the moon sits in the lobby of a government science lab.

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

Inside this store, a mysterious statue draws visitors from the world over.

A towering bronze statue memorializes the founding father of postwar American conservatism.

The graffiti-covered ruins of an abandoned trading post in the middle of the Navajo Nation.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

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

The state's only comprehensive museum dedicated to the mineral that defined its history and economy.