The primary attraction is the park/gardens/palaces of Frederick the Great. He liked his fruits so much he had an orangerie--a building that had much space for hothouses.
It was also unique, in my experience: making visitors wear slippers over their shoes.
Meanwhile, this model gives an idea of how vast this space was with so many palaces.
and I really enjoyed this picture of Freddie the Great
So far, the beering, the eating, and the touristing go well. Tomorrow, we will find out if