Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

A museum devoted entirely to the rattlesnakes and snake-related art.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

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

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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

Three hundred years of preserved Spanish colonial history in San Antonio.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Texas’s first suspension bridge is still carrying people across the Brazos.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

This refurbished gas station is one of the oldest in Texas, located on the original Route 66.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

Whether or not you take the 72-ounce steak challenge, there’s plenty of history, fun and Texas-style food at this legendary stop along Route 66.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

This 1930s-era Route 66 Tulsa landmark was moved, restored, and filled with neon.

This unusually circular centenarian barn became a Route 66 icon.

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

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

One of the first intercontinental ballistic missile sites in the United States.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.