A open air theatre built on a cliff by an eccentric British woman.

A small section in the Bank of Korea Museum dedicated to the many varieties of the Joseon dynasty’s iconic coinage.

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

On stormy days debris from this unfinished and abandoned skyscraper rains down on the Bangkok streets.

This Bangkok high-rise looks like a rudimentary LEGO elephant.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The Liverpool street made famous by the Beatles is real.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

An open-air "garden" of mural art that changes weekly.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

One of the smallest bookstores on the planet.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

A garden in Lisbon filled with giant porcelain creatures.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

A beautiful and classically designed villa, with an hourly infestation of monsters.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Limestone grottoes turns everyday objects into stone.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

An enormous, 30-story-deep hole in the middle of Guatemala City.

The last stop in southeast Russia.