Potsdamer Platz

Undoubtedly the most trendy area of ​​Berlin, and it's very famous for many reasons. This square holds the Berlin Film Festival, better known as the Berlinale, which hands out the Golden Bear for best film of the festival. As a curiosity, this place was where the first traffic light was installed in Europe. You can also see the dome of the Sony Center, designed by Helmut Jahn, a landmark of the new Potsdamer Platz, and visit the Sony Style Store, a multi-storey building with the brand SONY reserved for exhibitions and sales of all its products. You can also enjoy the tower Sony, IMAX 3D cinema

Also the architecture is pretty interesting, especially the "triangle" shaped building.