The Brandenburg gate in winterPhotograph: Arno Burgi/CorbisA view of the Kaiser Wilhelm Gedachtnis-Kirche seen through a sculpture by Martin Matschinsky and Brigitte Matschinsky-DenninghoffPhotograph: Jon Hicks/CorbisInside the Reichstag dome, designed by Norman FosterPhotograph: Paul Hardy/CorbisBode Museum and Fernsehturm with the communist-era television tower in Alexanderplatz in the backgroundPhotograph: Jean-Pierre Lescourret/CorbisGarden of Exile at the Jewish Museum designed by Daniel LiebeskindPhotograph: John Edward Linden/Arcaid/CorbisStreet art in Oranienburger Strasse, Mitte where the Tacheles artists' urban collective is based. It features galleries situated in an old crumbling department store on Oranienburger StrassePhotograph: Brecelj Bojan/CorbisOf the 170 or so art galleries in Berlin, Hamburger Bahnhof - a railway station converted into an art gallery in Invalidenstrasse - features Andy Warhol's MaoPhotograph: Ludovic Maisant/CorbisHackescher Markt S-Bahn: the public transport network is excellentPhotograph: Atlantide Phototravel/CorbisPotsdamer Platz: the centrepiece of Berlin is a collection of futuristic high-rise office buildings and a pedestrianised forum with shops, cinemas, cafes and restaurants designed by some of the world's most celebrated architects Photograph: Atlantide Phototravel/CorbisYou can take a tour of the city in a Trabi, the symbol of the old East Germany. TrabisafariPhotograph: Richard Nebesky/Robert Harding World Imagery/CorbisAnother symbol of the old east, and part of the Ostalgi movement, is the crossing signals featuring red women and green menPhotograph: Fabrizio Bensch/Corbis