The house's confection-like decorations are the result of one man's painstaking work over decades.

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Steep canyon walls hide a forested oasis in the West Texas desert.

The highest point in Texas is capped by a big silver pyramid.

Mysterious glowing orbs float through the desert night.

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

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

A spring-fed pool so deep it's used for scuba diving as well as swimming.

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

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

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

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

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

A view-altering observatory at the University of Texas.

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

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

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

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

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

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

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

Turning night into day in Victorian-era Austin to thwart a serial killer.