Foragers once flocked to this big beautiful bayou to hunt for pearls.

Witness to many historic moments in early Texas history.

Crumbling hotel echoes with the sounds of the '30s.

The biggest drug trafficking passage between Mexico and the U.S.

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

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

This old abandoned sign flickers to announce a motel that isn't even there.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

Mysterious glowing orbs float through the desert night.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

Legends surround this jagged rock formation in the New Mexico desert.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Despite its name, this route in southern Utah offers a heavenly day trip.

Contains a wealth of information about the first exploration and later use of the Green and Colorado Rivers.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

The fifth-longest natural arch in the world, and the longest outside China.

The Grand Canyon of Texas.

World's smallest skyscraper, the product of a remarkable con.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

A piece of baseball history is preserved in a Pittsburgh parking lot.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

There aren't too many operational funiculars around, but Pittsburgh has two!