This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

Preserved "bog person" that is over 2,000 years old.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

Four alabaster giants contemplate the tides on the shore of Denmark.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Old Danish castle immortalized in Shakespeare's Hamlet.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

France's most famous cemetery, with some of its most curious tombs.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Model Trains and Much More in Hamburg.

Berlin's old airport.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

The most visited, and possibly most controversial, museum in Germany.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

A symbol for the opposition to nuclear power around the world.

Denmark’s never-ending bridge.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.