This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

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

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

This conical hill was built as a testing ground for an engineer known as the Glider King.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Tiny memorials honor individual victims of the Holocaust.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

Once a path for Jewish funeral processions, this unassuming alleyway is rich in local lore.

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

Inside this Jewish cemetery is a memorial to soldiers who deserted the German army and were executed.

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.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

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

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

Most-visited and most-photographed slot canyon in the American Southwest.

The location where the iconic movie character declared it was time to go home.

An abandoned Byzantine fortress and notorious prison.

One of the most photographed locations in the entire city.

Monasteries on rock pillars, once accessible only by frayed ropes.

A striking symbol of the Bulgarian capital.

Eastern Bloc nostalgia, anybody?