Berlin's Museum Island - one day pass

The best value is to buy a one day pass for 18 euros. Admission to only one museum (e.g. the jaw-dropping Pergamon) is 12 euros. The one day pass includes admission to all the biggies. Arrive before opening time of 10 a.m. to avoid queues.
Note: The Pergamon Altar is closed for refurbishment until at least 2020.

"Museum Island"

Pergamon Museum - Ishtar Gate of Babylon

Bode-Museum on the Spree

A total of  15 admissions are included for 18 euros

Each museum provides you with free guide brochures.

The best free thing to do in Berlin - Reichstag Building

Free book available at Reception

The public is allowed access to the dome and walkways of the German Parliament only if you register online through the website: bundestag.de

Register one month in advance and select your desired admission time. You will be emailed confirmation. Bring this confirmation letter as well as your passport on the day.
Arrive at least 20 minutes early.

You will be provided with headphones for the self-guided tour which provides an excellent orientation of Berlin's history and its landmarks.