Crumbling hotel echoes with the sounds of the '30s.

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

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

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

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

A registered historic landmark shrouded in unsettling local legends.

A taste of Middle Earth, in the middle of the Bayou City.

A view-altering observatory at the University of Texas.

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

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

It specializes in outsider art and artifacts of secret societies.

A health museum containing a 27’’½-foot intestine.

A private collection of massive steel monsters guarding a Texas pipe works.

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

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

A medieval castle in the middle of rural Texas.

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

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

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.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

A grove of colossal man-made flowers built to collect the sun's rays.

Free public park and gardens filled with peacocks and peahens.

An abandoned quicksilver mining town surrounded by the Big Bend parks.