You'll want to browse the collections at Andrei Rublev Museum of Early Russian Art, Retro Auto Museum, and Bunker-42 on Taganka. Palace of the Romanov Boyars, Spasskaya Tower, and Bolshoi Theatre are monuments to see when you're exploring the area around Catherine's Palace. You can check out the local talent at Theater of Russian Drama, Taganka Theatre, and Moscow International House of Music.