which attract more than 3.5 million visitors from Germany and abroad every year. These include the Sanssouci and Cecilienhof palaces in Potsdam, the New Palace in Berlin, and Charlottenburg and Schönhausen [...] century, the renowned garden designer Peter Joseph Lenné created a garden landscape stretching from Sanssouci to Peacock Island in Berlin, which brings art, culture, and architectural history to life. In 1990