On this tour, you will discover the intriguing architecture of socialist East Berlin with a GDR-born local certified tour guide. From the Stalinallee (Stalin Blvd.) of the 1950s to the Karl-Marx-Allee (Karl-Marx Blvd.) of the 1960s to the modern Alexanderplatz square of the 1970s, we follow a magnificent boulevard built on the ruins of war-torn Berlin.