This red light district plaza memorializes the Fab Four and their historic connection to the area.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

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

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A Jenga-style cylindrical tower of books that appears to go on forever.

Museum dedicated to the terror regimes of Hungary.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

The metal leaves on this tree are engraved with the names of Holocaust victims.

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A public work of art that also provides some relief from the summer heat.

A whimsical bridge adorned with decorative dragons.

Slovenia's first mosque is a striking mix of Islamic and modernist architecture.