Some islands... they come, they go, especially on Lake Travis.

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

Official museum, hall of fame, and repository of the Texas Rangers.

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

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

It specializes in outsider art and artifacts of secret societies.

A Texas-sized particle collider that was abandoned due to its Texas-sized budget.

A starship has landed in Texas, a welcome break for weary travelers from a drab stretch of I-35.

Park filled with machinery that drove the southern agriculture and oil industries forward.

A peg-legged tightrope walker did not reveal his name as he was dying, and so he was buried as “Rope Walker."

A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.

A mysteriously abandoned campsite in San Angelo State Park.

The end of times arrives, at least for the fish in the O.C. Fisher Reservoir.

After serving in Vietnam, Korea, and even a stint in the Turkish navy, the unique ship is now open as a museum.

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

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

Remembering the Alamo with a full-scale replica of the 1836 city.

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 emerald-green grotto just a short trip from Austin.

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

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.