Cathedral of Christ the Saviour
After Napoleon retreated from Russia, Tsar Alexander I declared that a cathedral be built in remembrance to the soldiers who had died defending mother Russia. Decades later the cathedral was demolished by Stalin (who found the monument abhorrent), only to be built again on the same site between 1990 and 2000 as a duplicate of the original cathedral. It is currently the largest Orthodox Church in the world. The contemporary Russian artwork, statues and memorials to the Russian Tsars, as well as a small indoor museum are well worth a look.
Address: 15-17 Volhonka Street