One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.

Extraordinary sculpture garden created by an eccentric English poet.

The former home of surrealist Edward James, who gave Xilitla its main attraction.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

The sculpture of the deceased cockatoo flops atop its personal plinth.

This Sheffield sculpture composed of 17,000 Allen keys honors both urban falcons and a furniture icon.

One doctor's retirement plan included opening this award-winning Mexican-Indian eatery on the ground floor of a hospital.

An eatery within a Bay Area Buddhist temple pulls off all your favorite Vietnamese classics without the meat.

Part bookstore, part café, and part forest.

Europe's oldest still-operational tea farm also boasts a spectacular view.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Apartment complexes built into huge repurposed natural gas tanks.

This curious sculpture represents the perseverance needed to take to the skies.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

A unique flight of canal locks that owe their form to 19th-century cost-saving measures.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

A century-old tradition has culminated in a small but singular collection of feline effigies.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A room filled with frescos that make it seem like the walls are crumbling down while giants die in despair.

This mysterious and unique painting is filled with symbolism.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This one-time health resort was used by aristocrats around the world.