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

Climb to the top of its spiral spire for spectacular views of Copenhagen.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

The final resting place of one of the brightest physicists of the 20th century.

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

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Hans Christian Andersen for the postmodern world.

Danish observation tower designed to look like a giant beer bottle.

Old Danish castle immortalized in Shakespeare's Hamlet.

This Scandinavian island is the site of the first modern observatory.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

This watchtower once presided over the Berlin Wall.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

A sculpture of the beloved author surrounded by characters from his fairy tales.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

The Guardian of Tallinn.

When you've got to go, you've got to go.

This exquisite, alienesque piece of Soviet architecture is being threatened by modern shopping malls.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.