A neighborhood park in the city of Cáceres hides what some believe are revolutionary examples of Neanderthal cave art.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

The grand complex of buildings that comprise Liverpool's Exchange Flags includes a vast World War II bunker that has been frozen in time.

This tower is all that remains of a 19th-century schoolhouse that became a famous music venue before its destruction.

Prehistoric sandstone menhir with Early Bronze Age cup and ring markings, also known as Robin Hood's Stone.

Once upon a time these giant concrete tanks were used by local fishermen to clean their wild-caught mussels.

This dreamy street will transport you to wintertime in Victorian England.

What do we know about the real woman behind one of the Beatles' most famous songs?

You can cross from one country to another in a single hop on this little bridge.

The world's largest maze is a nature park with nearly 200 decision points.

Iron Age "bog person" preserved for over 2,300 years.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Hans Christian Andersen for the postmodern world.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

An existential riddle in the world's largest ancient castle.

The oldest garden in Prague, once part of an medieval orchard.

A crucified and bearded female saint.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

This former quarry is now a picturesque gorge that hides a sunken lake.

Bohemian paradise covered in majestic forests.

This doorless 20th-century elevator doesn't stop or slow down.

This artificial cave looks like something out of a fairytale.