Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

An ethereal glowing blue ocean cave in Croatia.

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

An early-19th-century hotel with a past that is steeped in the Civil War.

An eerie smiling woman looms above the granite tombstones.

This kitschy tavern is also home to rare early editions of "Treasure Island."

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

The "last unrestored grand mansion of Savannah" is now a cramped, mouldering maze of antiques.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This natural wonder is disappearing at an alarming rate.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

Traditional 15th century Chinese garden in the middle of Vancouver.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

This South London cemetery holds the remains of more than 15,000 people.

The fences outside some of South London's estates are made from recycled World War II stretchers.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A museum marks and documents the site of the Titanic's launch.