Charleston's historic city jail once held everyone from pirates to Civil War POWs.

This balancing rock is one of Utah's most unusual geological formations.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A former taxidermist has turned his old shop into a folk art mecca.

A 60-room castle constructed by a horse-racing heir.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

This quirky curiosity shop takes its cues from the world's bazaars.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

Tucked away inside a historic Savannah hotel is a hundred-year history presented in ladies' lids.

This family-run joint has been going whole hog for nearly 100 years.

A piece of outsider public art accompanied by a strange urban legend.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

This museum is rotten with a century of wax medical deformities.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

Inside this old mill is a collection of images that will always remain frozen in time.

This tiny chapel next to a highway provides weary travelers a place to rest, pray, or maybe even get married.

Take a stroll through this centuries-old tunnel of enormous moss-hung evergreens, nestled among the grounds of America’s first public sculpture garden.

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

The only working large-scale tea plantation in the United States.

One of the oldest living oak trees in the Southeast.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.