While you're exploring, swing by Peterhof Palace and Garden, Petrodvorets, and Monplaisir Palace to learn a bit about the area. Consider spending a leisurely afternoon outside at Alexandria Park, Upper Garden, or Olga's and Tsaritsyn Islands Pavilions. If you want to see more of the surrounding area, you can plan a visit to St. Petersburg University - Petrodvorets Campus and Cathedral of Saints Peter and Paul.