America's only nuclear missile silo open to the public.

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

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

A reproduction of earth's many biomes.

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

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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A self-built castle made by a mysterious man.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

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

A Wild West jailhouse that slid down the mountainside.