A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

Two small markers remember the Alamo's feline protectors.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A registered historic landmark shrouded in unsettling local legends.

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

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

It specializes in outsider art and artifacts of secret societies.

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

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

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

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

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

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.