Eons ago, a rushing lava river formed this pristine passage through solid rock.

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

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

Once in disrepair, the house where the 1983 film was shot has been restored and turned into a museum.

No matter what the plaque under this massive legume says, this is not the world's largest peanut.

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

Over 50 historic windmills whir away at this outdoor museum.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This marker identifies the location where three states converge.

Historic, 19th-century wagon wheel ruts cut into soft volcanic ash.

Happen to come across a dead eagle? Send it to America's official dead eagle warehouse.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

The world's largest washing machine collection has more than 1,400 antique items in its exhibit.

The remains of the dam that unleashed a 15-foot wall of water on Denver.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

“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.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The clock that sets them all.