Walls, towers and gates Torre di Vada The tower of Vada is located in the municipality of Rosignano Marittimo. Its structure has medieval origins. With the fall of the Republic of Pisa, the tower passed into the hands of the Florentines, who in the fifteenth century restored the tower, which became part of the sighting system. Currently, the Environmental Education Laboratory is located in the tower environments. The building can only be visited during cultural events.