A new kind of theme park for adults off the Las Vegas Strip.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

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

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

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

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

Rippling sand dunes frozen in the Arizona rock.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

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

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

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

A geological mystery on Camelback Mountain.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.