Alexanderplatz Berlin Alexanderplatz Square, more popularly known as Alex is one of the busiest squares in Berlin and the oldest in East Berlin. Today, this square is the connection point for all the main public transport in the city. This place was the hotspot for nightlife and cabaret shows in the 1920s and was used as inspiration to write the novel Berlin Alexanderplatz. One of the most significant features in the square is the World Clock which is a great metallic structure which shows the time all over the world. The Television Tower is the tallest building in Berlin, measuring 365m high and has become a major tourist attraction in the city because of its beautiful views from the top of the tower. Berlin Guide | Monuments in Berlin Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Save my name, email, and website in this browser for the next time I comment.