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

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

Mysterious glowing orbs float through the desert night.

Minimalist modern art on a repurposed military base in rural Texas.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

All that remains of this small town is its mass grave and a myth of a voodoo priestess who predicted its demise.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

The world's tallest statue of an American hero.

This one-woman cemetery was a small civil rights victory.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

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

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

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

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

Fantastic collection celebrating the final send-off.

A health museum containing a 27’’½-foot intestine.

A little bit Wonkatania, a little bit pink elephant.

This seaworthy collection was sparked by one man's passion for sailing.

The deadly but beautiful ornamental oleander was planted all over the island of Galveston after the hurricane of 1900.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

The tree is thought to be the oldest oak in Texas and was once crowned state champion for its monumental size.