When your cruise ship docks in st petersburg take in the citys most famous sights with this 3 day private shore excursion discover top attractions such as peter and paul fortress st petersburgs vibrant food market and the fountains orchards and ponds of peterhof park follow your private guide through ornate palaces including catherine palace the winter palace and yusupov palace visit too grand cathedrals such as st isaacs cathedral kazan cathedral and the iconic church of the savio