A 131-year-old wunderkammer of Texas history.

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

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

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

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

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

These boots are made for selfies.

This underwater old Texas hill town only resurfaces during harsh drought.

Established in 1925, Kiddie Park claims to be the oldest amusement park in the U.S. - a cozy little time warp nestled in a shady corner of the modern world.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

A tiny waterway named after a ghost story.

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

A Texas landowner spelled out his name with three miles of trees, a giant signature that's been used by NASA to evaluate satellite imagery.

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

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

A popular swimming hole that hides one of America's most deadly diving spots.

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

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

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

Now abandoned, this East Austin school for the disabled began as the "State Colony for the Feeble-minded."

A small island hides in plain sight on Austin's Lady Bird Lake.

DIY collection of eclectic holdings.

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

A view-altering observatory at the University of Texas.