THE BALLROOM OF THE CATHERINE PALACE. Tsarskoe Selo, Russia. Designed by Italian Architect Francesco Bartolomeo Rastrelli - Court Architect to Empress Elizabeth and master of the Russian Rococo/Late Baroque style.
Grand Kremlin Palace, Moscow, Russia, breathtaking as all of them are in Russia! The Grand Kremlin Palace was built on orders from Tsar Nicholas I in the mid-19th Century. The architects outdid themselves!