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

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.

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

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

The world-record holder for the longest bridge stretching continuously over water.

A giant Troll lurks under one of Seattle's oldest bridges.

Some islands... they come, they go, especially on Lake Travis.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

One part antique store, one part curiosities hodge-podge.

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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

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