Peleș Castle, a state-of-the-art castle with heating, is located in Sinaia, Romania, in the Carpathian Mountains.

Peleș Castle, located in Sinaia in the Romanian Carpathian Mountains, is one of Eastern Europe's most famous and beautiful castles, often referred to as a "fairytale castle." Here's a brief history: --- 🏰 Construction and Background Construction began in 1873 and was completed in 1914. It was built by King Carol I of Romania (1839–1914). After becoming ruler of Romania in 1866, Carol I desired a mountain summer residence and chose the stunning natural setting of Sinaia for the site. The architectural style is Neo-Renaissance, incorporating elements from German, Italian, and Austrian architecture. --- 🖼️ Castle Features Number of Rooms: Over 160 (some sources say 170+), each decorated with a unique theme, such as the Haussmann Room, the Flemish Room, the Concert Hall, and the Theater. Decor: The interior is magnificent, featuring exquisite wood carvings, stained glass, Italian marble, and German-made furniture. Technological Innovations: It had a central heating system, a rarity at the time. Elevators and electric lighting were used early on. Considered one of the most advanced royal palaces in Europe at the time.