The Snäckgärds Gate
Visit to the tourist attraction of Sweden - the part of Visby city wall - The Snäckgärds Gate: is one of the oldest gate towers of the wall.
Wikipedia: The has been known by many names throughout history, among them the West Gate (swedish: Västerport). The gate itself has slots for a portcullis. This served as a protection against hostile assaults with weapons such as battering rams. In addition to an extra set of internal walls, this provided a good defence for the relative weak spots that the gates were. In 2009, new internal, wooden floors and stairs were built in the tower, which became a new observation point in the town. The tower is accessed from the inside of the wall via a walkway and a ladder from The Silver Cap Tower.