A prison-like structure guards the remains of a notorious Old West outlaw.

Inmates dig the graves at the largest prison cemetery in the U.S., the final resting place of both cowboys and Indians.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

San Antonio's first 3-D stereoscopic mural is a trippy treat for the eyes.

No one is sure why this mysterious tradition started.

The world's tallest statue of an American hero.

Tile mosaics and quotes from Pablo Picasso add an artistic flair to these bus stop benches.

This unique tower has been home to malaria-fighting bats for 100 years.

In the fictional world of Kcymaerxthaere, this was the former home of the Marshal of Gravity and the site of his tragic death.

The petroleum industry brings you the joys of hydrocarbons and largest collection of antique oil rigs in the world.

The wood bears a hidden love note carved by a young Johnny Cash.

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

Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.

Search for traces of the dinosaurs that roamed here more than 90 million years ago.

The folks at the Devil's Rope Museum want you to get hooked on barbed wire history.

The pit stop from "The Texas Chainsaw Massacre" now serves beef and pork barbecue, not people.

This beautiful grotto is one of those places where you can't believe you're just outside Austin.

"They died with their boots on."

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

$10,000 won in a poker game in 1884 allowed James Draughon to build this intriguing home.

A 2,500-pound wooden nickel makes this woodworking museum easy to spot from the road.

A mysteriously abandoned campsite in San Angelo State Park.

The saga of the massive nut begins and ends in Texas.

Soldiers honored the beloved Pat with a special grave.