A mysteriously abandoned campsite in San Angelo State Park.

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

A modernist landscape of water and sci-fi concrete.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

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

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

This seaworthy collection was sparked by one man's passion for sailing.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

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

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

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

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

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

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