Be sure to stop at the former Checkpoint Charlie, the gateway between east and west Berlin. It's now a hub of commercial ventures, but bears tourist signs noting the former boundary. The wall's memory is also kept alive down the street in the Checkpoint Charlie Museum. A short walk east and you will discover one of the few remaining sections of the Wall. Photos and displays recount some of the Nazi horror, but the text is only in German.
Tours are available.
Few sections remain of the Berlin Wall. Nearby stands Potsdamer Platz, an incredible conglomerate of commercial and residential edifices that will hopefully serve as Berlin's new downtown. If time is limited, make sure you walk Unter den Linden, a glorious street teeming with historical highlights and points of interest, including Humboldt University. The street centre is lined with Linden trees and park benches. You'll cross the Palace Bridge featuring eight marble statues and arrive in an area dubbed Museum Island, containing the renowned Pergamon Museum.