With so many extraordinary places in the world to explore, I try not to visit any spot more than once. There are the exceptions. A passionate Anglophile, I’ll never say “no” to a trip to the UK or Ireland, no matter how many times I’ve tromped the streets of London, Dublin and the like. France, too, has a certain repeat appeal. All that wine, history, culture and food! The Scandinavian country of Sweden joins the list of rare places to which I will happily travel again and again. Below are a few highlights of May in Stockholm, when the sun rises at 4 a.m. and sets after 10 p.m. and life is both more relaxing and invigorating. Comprised of 14 islands on Lake Malaren and the Baltic Sea, Stockholm has a multitude of pretty waterfront scenes. The view from the ‘skinny bridge’ to Skeppsholmen. This small island contains several museums, including my favorite, the Moderna Museet. One of the most popular attractions in Stockholm, the Vasamuseet houses the massive, 1628 Swedish warship, the Vasa. The ornate ship sank on its maiden voyage and was …