Copenhagen's celebrated theme park and gardens.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This stone once marked the boundaries of Liverpool's medieval markets.

This bronze statue was dedicated to a 1966 Beatles hit.

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

A memorial to the politician who became Great Britain's first fatality to be caused by a locomotive.

This whimsical public art installation is a unique homage to Liverpool's industrial heritage.

Six neolithic sandstone boulders remaining from a dolmen.

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

The red letters in the literary pavement leading to the library form a mysterious code.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

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

Pyramid shaped monument with a tall tale attached.

The Liverpool street made famous by the Beatles is real.

The quiet field that inspired one of the most famous songs of all time.

A miniature city, once ruled by the Queen of the Netherlands.