One of the world's largest art museums with imperial collections — recommended to pre-book timed tickets; typical hours ~10:30AM–6:00PM, closed Mondays.
Historic citadel where the city began; visit the cathedral with Romanov tombs and the museum — fortress hours commonly 10:00AM–6:00PM (verify seasonally).
Choose Fabergé for imperial jewelry and eggs (hours often 10:30AM–6:30PM) or Russian Museum for a wider art overview; both are excellent for cultural immersion.
Suburban train from Vitebsky or Moskovsky station (~45–60 minutes) to the town of Pushkin; palace opens around 10:00AM and tickets are recommended in advance for the Amber Room.
Stroll through the historic Summer Garden and along the canals for a peaceful later-afternoon experience; garden access in March can be limited—check local notices.
Foodie stop to sample smoked fish, local cheeses and pastries — markets are great for tasting regional products and meet local vendors (markets commonly open daytime hours).
Light breakfast at your hotel or takeaway; head to Moskovsky Rail Station for the Sapsan — yes, Zustieg (boarding) is possible in St. Petersburg at Moskovsky Station for trains to Moscow.
Comfortable high-speed journey of ~3h45m–4h15m to Moscow; trains depart from Moskovsky Station and you can board there — book tickets in advance for best fares and preferred times.
Walk the Kremlin exterior and, time permitting, visit the Armoury Museum for royal regalia — Kremlin museum hours generally ~10:00AM–5:00PM, check closures.
Visit ornate stations like Mayakovskaya and Komsomolskaya; the metro is open 5:30AM–1:00AM, stations are attractions in themselves and best seen in daylight for photos.
Early breakfast and head to Yaroslavsky Rail Station to catch the suburban electric train to Sergiev Posad; trains run frequently but check current timetables.
Short regional journey to the spiritual heart of Russian Orthodoxy — bring modest clothing for church visits and check train schedules for return options.
Explore the cathedral ensemble, ancient icons and monastic courtyards; Lavra is typically open daily but chapel/museum hours may vary — check onsite times.