Nature puts on a spectacular show at this blowhole on the eastern side of Gran Canaria.

A bibliophile's heaven that contains hundreds of bookstores, offering over a third of secondhand books for sale in Tokyo.

This dreamlike museum is filled with the works of an influential surrealist artist whose name you may have never heard.

A trail of footprints discovered after a landslide was left not by the Devil, as originally believed, but by an early human ancestor.

This coffee shop lies hidden beneath a historic church.

This futuristic building is yet another architectural wonder in Dubai.

This Michelin-starred restaurant sheds light on a rare period of cultural and culinary tolerance in Cordoba’s past.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

Inside the small garden of two mid-century apartment buildings stands a centuries-old bell tower, separated from its original church and hidden from view.

The walls of this tiny Italian church are entirely covered with frescoes.

This massive Maya archaeological site is home to the tallest man-made structure in Belize.

Europe's only Temple of Mithras located in a natural cave.

Jesus turns into vines inside this chapel.

This curious Tudor-era castle was once home to Napoleon's greatest adversary, the Duke of Wellington.

Built on the foundations of an ancient Roman villa, the unique architecture of this castle on the Catalan coast was used as a set for 'Game of Thrones.'

This beautiful 14th-century castle perched on a promontory overlooks the Bay of Trieste.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

This medieval "painted village" is famous for its geometric facades.

This hermitage celebrates the legend of Emperor Constantine's healing from leprosy.

A recreation of pop art pioneer Eduardo Luigi Paolozzi's London studio.

This war memorial holds the remains of around 20,000 World War I soldiers from both sides of the conflict.

A winery built on the site of a Gallo-Roman estate uses historical tools to recreate ancient vintages.

This uniquely designed bridge served as the city gate for Comacchio.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.