Central Berlin hides some of its strongest history in plain sight. Follow one 5.3 km walk from Anhalter Bahnhof to Alexanderplatz through a ruined station, a GDR watchtower, Tränenpalast, memorials and old railway architecture.

Two of Gendarmenmarkt's three landmarks are called cathedrals, and neither one is. A local guide to Berlin's most beautiful square: what each building really is, the free exhibition inside the German Cathedral, and whether the French tower climb is worth it.