Once the smallest park in the national system.

This unusually circular centenarian barn became a Route 66 icon.

An abandoned movie set in the desert of West Texas.

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

Once called the Jersey Lilly, this former saloon was the domain of infamous Judge Roy Bean.

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

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

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

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

A Prada store in the West Texas desert that is never open for business.

Beauty and history abound in this remote West Texas canyon.

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

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

The state bird of New Mexico, constructed entirely out of garbage.

This replica of the Indian spiritual master Meher Baba's tomb stands unfinished in the New Mexico desert.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

Located near the U.S.-Mexico border, this park remembers the famous raid of General Francisco “Pancho” Villa and his soldiers.

Limestone caves with spectacular showcase chambers.

The world's largest military aircraft cemetery.

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

A monument to a one-legged kidnapper, horse thief, and charlatan asks visitors to throw rocks in a pile.