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

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

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

A medieval castle in the middle of rural Texas.

It specializes in outsider art and artifacts of secret societies.

Ruins of a once-opulent grand Victorian resort.

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

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

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

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Free public park and gardens filled with peacocks and peahens.

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

Fantastic collection celebrating the final send-off.

The Grand Canyon of Texas.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

Mysterious glowing orbs float through the desert night.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

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

Continuing the tradition of the dime museum in style.

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