Stockholm spreads across 14 islands linked by 57 bridges, with Gamla Stan's medieval lanes, the Vasa warship raised intact from 1628, and the archipelago's 30,000 islands reachable by Waxholmsbolaget steamer.
Archipelago boat schedules at peak, midsummer poles raised across Sandhamn and Vaxholm, and the Stockholm Music and Arts festival on Skeppsholmen.
Walpurgis Night April 30 with bonfires across Skansen, archipelago ferries opening summer schedules, and Djurgården reopening to full operation.
Stockholm Open tennis mid-October, Royal Djurgården maples turning, and the archipelago accessible without summer crowding from Strömkajen.
Christmas market at Skansen open weekends through Advent, Stockholm Light Festival in February, and the Royal Palace Changing of the Guard year-round.