Potsdam (Sanssouci + palaces)
Frederick the Great's rococo summer palace + Cecilienhof (Potsdam Conference)
Berlin's day trips include Potsdam's palaces, the Sachsenhausen memorial, and the Spreewald canals.
Frederick the Great's rococo summer palace + Cecilienhof (Potsdam Conference)
Concentration camp memorial near Oranienburg — sobering, essential
UNESCO biosphere — punt through canals like the Dutch but in a forest
Baroque Saxon capital + Frauenkirche + Zwinger
Where Luther nailed his 95 Theses to the church door