Copenhagen's celebrated theme park and gardens.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

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

After funding was cut for a memorial to the Danish author, the sculptor had his statue ceremonially lowered into the city harbor.

The last Viking king of Denmark is buried inside the crypt of this cathedral.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

This unique architectural wonder is home to luxury apartments.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

One of the oldest and largest wooden churches in France was very evidently constructed by shipbuilders.

The bomb-ravaged remains of of a colossal Neptune.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A stunning Catholic cathedral built by a curve-loving communist in Brazil’s newly created capital.

Where sweethearts leave their love locks in the Uruguayan capital.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

Museum housed in underground tunnels that date back to Buenos Aires's earliest settlements.

A bright little alley in La Boca is a part of tango history.

This historic fort overlooks Montevideo and appears on Uruguay’s coat of arms.

The remains of Uruguayan hero José Artigas lie beneath a monument in Montevideo’s main square.

This historic stadium was built to host the first-ever FIFA World Cup.

This beautiful example of neoclassical architecture is one of Uruguay's most treasured cultural gems.

The secret medieval communication system will whisk your words above the noise of the crowd.