A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Go inside to really appreciate this 500-year-old technological masterpiece.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The curiosities and wonders of pharmacy in a delightful historic building.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The final resting place of New Orleans' most famous voodoo priestess.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

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

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

A terrific purveyor of natural history objects and curios.

A clear example of the process of erosion in action.

Nine limestone rock stacks on Australia's "Shipwreck Coast."