Lake Griebnitz and Neubabelsberg offer one of Potsdam's quieter historical walks, where lakeside villas, Babelsberg film history, and traces of the Cold War border sit close together. The water makes the route feel leisurely, but the history is dense.
Walk or cycle the shore if you want a break from Sanssouci's formal gardens. The area rewards slow looking: villa architecture, old studio associations, and the way the lake once marked a hard political edge.