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

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

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

The ghost town that ended up on Ebay.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Dramatic river bend surrounds a natural red-rocked pedestal.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

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

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

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.