MUSEUMS AND SIGHTS
National Museum
Although this museum is smaller than most in Europe, it shouldn't be as overwhelming.
Kungstradgarden
The King's Garden.
Skansen
The Sturbridge Village of Sweden (or is Sturbridge Village the Skansen of New England). Unfortunately, it's not in English but there are pictures.
Vasa
Sweden's 1628 warship that was preserved underwater in Stockholm harbor until 1961.
Nordic Museum
The Swedish answer to the Smithsonian Museum.
Drottningholm
Sweden's Versailles: the summer home of the Queen.
Other sights.
This is a list of other Swedish museums that do not have their own websites or are not frequented by many as tourists.