Inside this art and oddity-filled shop, a small room filled with secrets.

A park dedicated to veterans with various military vehicles, including an F-14 Tomcat, in the middle of the suburbs.

These 11,000-year-old mounds may be the oldest known human-made structures in the Americas.

This sculpture may be the only known depiction of a man who helped finance the American Revolution and inadvertently created the dollar sign.

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

This family cemetery is a reminder of a smallpox outbreak in late-19th-century Texas.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

The longest floating boardwalk in the United States.

This abandoned building made of petrified wood was once a hotspot for buying moonshine.

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

An emerald-green grotto just a short trip from Austin.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

An entire subdivision was accidentally built on a flood plain, resulting in its eventual demolition—but the streets are still there.

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

A fruit-loving town welcomes visitors with a giant melon set against the sky.

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

On the outskirts of San Antonio, a small bridge is said to be the home of a mysterious local legend known as the "Donkey Lady."

A 17-foot-tall cutout of the Texas-born actor stands alongside the highway.

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

Water still flows through the oldest Spanish aqueduct in America.

Ruins of a once-opulent grand Victorian resort.

These boots are made for selfies.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.