Millennium Promenade
Starting at the Spur Redoubt (supposedly the point from which Nelson set sail for Trafalgar) near Henry VIII's Southsea Castle, the Millennium Promenade follows the waterfront through Old Portsmouth and Gunwharf Quays, ending up at the Hard near Portsmouth Historic Dockyard. The 2½-mile self-guided walk, marked by a rope pattern on the sidewalk, passes a variety of fortifications built in the 15th century, the early 20th century, and the centuries in between.