Peles Castle is located in the Carpathian Mountains near the City of Sinaia. Is a neo-renaissance castle, and belongs to the royal family of Romania. It was commisioned as royal hunting preserve and summer residence by King Carol I (Prince Karl of Hohenzollern-Sigmaringen), and also served as a residence for King Ferdinand and Queen Marie of Romania. To get yourself an image of the construction process I will quote here the words of Queen Elizabeth of Romania, real name Pauline Elisabeth Ottilie Luise zu Wied(from her journal):
"Italians were masons, Romanians were building terraces, the Gypsies were coolies. Albanians and Greeks worked in stone, Germans and Hungarians were carpenters. Turks were burning brick. Engineers were Polish and the stone carvers were Czech. The Frenchmen were drawing, the Englishmen were measuring, and so was then when you could see hundreds of national costumes and fourteen languages in which they spoke, sang, cursed and quarreled in all dialects and tones, a joyful mix of men, horses, cart oxen and domestic buffaloes." (source Wikipedia)