If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The symbol was surreptitiously built into the river bank by German prisoners of war.

Destructive children, start your engines.

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

A modernist landscape of water and sci-fi concrete.

A serene temple with stunning stained glass hides in downtown Dallas.

This downtown Dallas art installation is always on the lookout.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

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

The summer home of the largest colony of bats in the world.

The house where the pulp fiction writer and Conan the Barbarian creator lived.