Start your day by visiting the Tiergarten, Berlin's largest park, and take a relaxing walk or bike ride through its lush greenery. Then, head to the Charlottenburg Palace, a stunning baroque palace that showcases the opulence of the Prussian royal family. In the afternoon, visit the Jewish Museum, which tells the story of Jewish life in Germany from the Middle Ages to the present day. End your day by taking a boat tour along the River Spree, which offers stunning views of Berlin's skyline and landmarks.