Join me on my visit to Berlin which gives you have a brief idea about things to do in Berlin. This is the best one day itinerary for Berlin because I visited Berlin for a single day and covered all the places that can answer How to spend 24 hours in Berlin, Germany.
Berliner Fernsehturm - At 368 metres, the Berlin TV Tower is the tallest building in Germany and the fourth tallest television tower in Europe. The Tower has a revolving restaurants
Berliner Dome - The Berlin Cathedral is a Protestant church and dynastic tomb on the Museum Island in Berlin.
The Museum Island is a museum complex on the northern part of the Spree Island in the historic heart of Berlin. With the Berlin Museum Pass, you can get free admission to over 30 museums in Berlin with a validity of 3 days (72 hours).