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!
Red Square in Moscow, Russian Federation was the residence of the Great Prince and a religious centre. Red Square at the base of it, sits St Basil's Basilica, claimed to be one of the most beautiful Russian Orthodox monuments.