Nearby the outdoor DDR memorial-museum, the Mauerpark really feels like leftovers from a divided city. Despite being technically unified as a complete entity after the Wall's fall, you can still trace the divide of the city-the west side of the park is home to various commercial activity and even hosts a wildly popular flea market on Sundays. The eastern side is essentially a green space, with an amphitheater and a 300-meter strip of the Wall, which stands as a monument as well as a showcase for graffiti artists.