A collection of abandoned typographic signs from Berlin and beyond.

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.

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

Tiny memorials honor individual victims of the Holocaust.

The red letters in the literary pavement leading to the library form a mysterious code.

Cold war icon and onetime "hole" in the iron curtain.

Locals pay their respects at a shrine to soccer player Diego Maradona—which claims to contain a real lock of his hair.

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

An elaborately decorated house sits on an otherwise quiet street.

At this beautifully preserved Pre-Hispanic site, you can see ancient petroglyphs with depictions of llamas and alpacas.

The gorgeous murals at this open-air museum form the largest street art collective in Chile.

The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

A display of hand-built replicas of the legendary vessels used by Patagonian and Antarctic explorers.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

First founded in 1472, this is the oldest bank in the world. Its history may explain why we call financial institutions "banks."

People have been living in the cave houses on this Italian hillside since the Neolithic era.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

It's believed that these columns marked the end of the Via Appia.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.

The oldest-known example of a historic architectural style recognized by UNESCO.

Southern Italy's spinning top village.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.