A replica of the Liberty Bell rang daily from West Berlin's City Hall throughout the Cold War.

One of downtown Berlin's last reminders of its Communist past.

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

A remarkable cabinet of curiosities in an art space in the center of Berlin.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Reminders of the Battle of Berlin still scar the railway.

Puppet theater and museum holding a collection of more than 300.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

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

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

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

A collection of abandoned typographic signs from Berlin and beyond.

Art and a pun, all in one.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

An eerie, derelict amusement park in Berlin.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.