A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

A floating cat sanctuary on an Amsterdam canal.

One of the largest cat sanctuaries in North America is considered a "Club Med" for felines.

On Japan's Tashirojima Island, cats are king.

Ruins of a Carnegie family mansion on Cumberland Island.

Where beautiful signs live on forever.

Hidden on two floors of downtown building, the library has an incredible deal on rent.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

A lavender labyrinth so large it’s visible on Google Earth.

People escaping slavery may have hidden inside a corpse vault.

A nostalgic bibliographic gem.

A derelict bit of transportation infrastructure hidden in the woods.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

This once-derelict building is now one of the most beautiful bookstores in the world.

One of the largest and oldest caravansaries in Persia.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

A unique museum dedicated to the Gullah-Geechee people, housed within an old oyster cannery.

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

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.