Go surfing on this urban wave, "hacked" by local surfers.

Dine at a legendary after-hours joint frequented by David Bowie and Iggy Pop.

You've probably seen these distinctive orange-tiled columns on the big screen.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

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.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

Romania's triumphal arch looks out over Bucharest.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

Amsterdam's former hotspot for public executions and dissections.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

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

A beautifully eclectic mix of architectural styles.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.