I first went to Berlin in 2017 and really liked it. It was easy to get around and had lots of interesting architecture, not to mention the history. Being such a cheap place to live after the wall fell, brought many artists to the city, especially East Berlin. That part of town definitely is more gritty and interesting with all of the street art murals and graffiti as the backdrop for legendary nightclubs and art spaces.
Click the images to view full size.