On a dusty county road sit the ruins of a ghost town's abandoned church.

A medieval castle in the middle of rural Texas.

These boots are made for selfies.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

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

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.

The 40-foot-tall votive candle is the largest of its kind.

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

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

A 131-year-old wunderkammer of Texas history.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

Civil War dumping ground for the bodies of terrorized Union sympathizers.

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

The world's largest squirrel statue clutches a pecan bigger than your head.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

A former electrical substation is now home to an eccentric junk art masterpiece.

The summer home of the largest colony of bats in the world.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

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

The Grand Canyon of Texas.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

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