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

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

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

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

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

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

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

Mysterious glowing orbs float through the desert night.

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

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Rumor had it that these concrete crosses scattered across the Arizona scrubland helped align spy satellites. (They didn’t.)