Still on museums island here's the probably most beautiful old building of Berlin, the Berliner Dom. (It's not as tilted as shown in the picture, I simply forgot to adjust the photo)
The cross at the peak is dismounted for repairs so it looks not so perfect but still great.
Here are some detail pictures...
Of course one of the ubiquitous sightseeing ships came in sight (Kyle, thanks for teaching me this amazing word 'ubiquitous' :-)