Ogrodzieniec Castle, Poland, 19th century. Taken from https://www.wikiwand.com/en/Ogrodzieniec_Castle
Heidelberg, Germany. Taken from https://www.wikiwand.com/en/Heidelberg
Heidelberg, Germany, 1788. By Konrad Linck. Taken from https://www.wikiwand.com/en/Heidelberg