This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A natural wonder in south Denmark.

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

Metro station with a claim to rock n' roll fame.

The last bastion of Roman presence north of the Alps looms over a German town.

Cold war icon and onetime "hole" in the iron curtain.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

Berlin's old airport.

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

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

Ruins of a German castle on top of a towering stone pillar.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

This bridge was constructed from the rubble of the infamous Bastille.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

The world's tallest bridge is also possibly the most elegant.

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

This modest marker near Notre Dame identifies the very center of Paris.

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

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A huge old mansion full of thousands of toys, each there to be used and played with.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.

A beer pipeline runs beneath Bruges.

A taxus-tree to which Julius Caesar reputedly tied his horse.

The tiny Belgian town's ancient version of Mardi Gras involves eerie wax masks, sticks for warding off evil, and ostrich plume hats.