A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Community owned and operated, this property is home to a diverse set of nudists.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

This geothermal hot spring hides beneath a slowly growing mineral dome.

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

“You better take care of me Lord, if you don't you're gonna have me on your hands.” ― Hunter S. Thompson, Fear and Loathing in Las Vegas.

A little-known hot spring haven right below the highway.

Jurassic Park—A Still Life.

A small flooded ghost town with a few scattered structures remaining.

A shady solar power system that couldn't hold up to the harsh desert conditions.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

Outsider Art Community.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

The remnants of a creative early method of wildfire prevention.

A scrap-metal sculpture recalls an infamous 19th-century camel.

One of the largest open-pit copper mining operations in the entire country.

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

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

The largest and most well-preserved petroglyph site in the Verde Valley.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

An off-the-beaten path cave with an underground lake.

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

This remote desert watering hole has a connection to a curious chapter of American history.