5 places
To skip the waiting line simply reserve a table at the restaurant (in the tower).
How to get tickets to the Reichstag: The fastest and easiest way to register is online. You will need the full name and birthday of every visitor.
It's pretty impressive from the outside. But the entrance is worth the price. Be sure to climb all the way up to the top - the view is awesome!
A beautiful museum on German history in a wonderful building, especially the new annex designed by Ieoh Ming Pei. Great overview, and an excellent way to get German perspective.
A pity that you're not allowed to take pics of Nefertiti - not even without flash - this 3k+ year old bust looks like it was painted yesterday.