The Humboldt Forum in itself is worth a visit, particularly going up to the terrace for a great view. Clue is that the visit costs a small amount, but if you plan a visit to the restaurant (be it just for a croissant), the fee is waived.
But truth be told, the restaurant Baret is an excellent reason to go up there. We went for lunch including a marvelous European cheese cake and everything was light, fresh, and very delicious, served by wonderful staff with a cute Itallian accent in English but amazingly enough not in German. read more