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.

A grove of colossal man-made flowers built to collect the sun's rays.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

This failed condo development was reborn as a street art hub.

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

Fantastic collection celebrating the final send-off.

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

A registered historic landmark shrouded in unsettling local legends.

The final resting place of infamous outlaw Clyde and Marvin Barrow.

Official museum, hall of fame, and repository of the Texas Rangers.

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

Park filled with machinery that drove the southern agriculture and oil industries forward.