Explore the historic center of St-Petersburg by transport and on foot and admire the most famous monuments: the Palace Square, the Senate Square, St-Isaac's Cathedral, the tip of Vasilyevsky Island, Nevsky Prospekt, the Church of the Savior on Spilled Blood, the Field of Mars, the Arts Square, and the street of the architect Rossi. This excursion will not be complete without going over the many bridges and passing the numerous quays of the Venice of the North....