The nation's cosmopolitan capital, Moscow, is located on the Moska River in western Russia and also Moscow is the largest city in Russia. The Kremlin, which houses the President and tsarist artefacts in the Armoury, is located in the city's historic center. Moscow is famous for the Red Square, and Russia's symbolic heart is just beyond its boundaries. Lenin's Mausoleum, the State Historical Museum's extensive collection, and St. Basil's Cathedral, with its colorful, onion-shaped domes, are all located here.