Biebrich Palace is in Wiesbaden, Hesse of Germany. It was built in 1702 by Prince Georg August Samuel of Nassau-Idstein. It served as the ducal residence for the independent Duchy of Nassau from 1816 until 1866.
https://www.youtube.com/watch?v=-c7JkNrAaEw
I can see why it is a popular attraction. Great Architecture. :thumbsup: