Aachen (Aix-la-Chapelle) cathedral, a famous German cathedral. King Charlemagne is buried here. This room is called Pfalzkapelle in German. It is a rich decorated chapel, with a lot valuable marble imported from Italy. If you visit this amazing cathedral, do not forget the treasure-chamber! It contains an amazing amount of wonderful gold/silver/gem artwork, paintings, some icons, old garments, songbooks and a lot more.
The bust of King Charlemagne is one of the top pieces of the treasury!