One of Petersburg's oldest museum collections (founded in 1756), the museum displays weapons and military objects from 15th century firearms to ballistic missles. Inside is a store where you can buy military-ish things like tin soldiers, replicas of old uniforms, and model planes. There are tanks, trucks, and artillery guns out front for the kiddies to play on.
Park Lenina 7 near the Peter and Paul Fortress. Metro: Gorkovskaya. Open 11:00-17:00 Wednesday to Sunday. Tel: 232 0296.