This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

This one-woman cemetery was a small civil rights victory.

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

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

This downtown Dallas art installation is always on the lookout.

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

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...

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

The Grand Canyon of Texas.

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

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

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

A modernist landscape of water and sci-fi concrete.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

A Nazi concentration camp and Anne Frank's place of death.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A striking 12th-century-style castle built on the edge of a cliff.