The Grand Canyon of Texas.

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

The eroded core of an ancient volcano is now accessible by a short hike.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

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

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

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

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

A popular swimming hole that hides one of America's most deadly diving spots.

An emerald-green grotto just a short trip from Austin.