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.