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

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

A collection of abandoned typographic signs from Berlin and beyond.

A plaque on the side of a building is a small tribute to the woman who invented an iconic Berlin fast food.

A prime example of socialist modernist architecture, wrapped in a enormous fresco about the media.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

This ancient market is often referred to as the oldest shopping mall in the world.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A forgotten "city of water" underneath the famous Trevi district.

Museum preserving torture methods from the past.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.