You can find a wealth of information about these suburban sights at St. Petersburg's City Tourism Information Center (where operators are very helpful and speak English, French, and German) and private travel agencies and guided-tour companies.
City Tourist Information Center (14/52 ul. Sadovaya, at Nevsky prospekt and ul. Sadovaya, City Center, St. Petersburg, St.-Petersburg, 191023. 812/310–2822 information in English; 812/300–3333 tourist helpline. eng.ispb.info. Metro: Nevsky Prospekt.)