Look at Stockholm from the roofs of Riddarholmen island. An exciting experience if you're not afraid of heights.
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Riddarholmskyrkan
Riddarholm is the ancient core of Stockholm and this is the city's oldest building - though no longer the oldest church, as it's nowadays simply a museum. Built as an abbey in the late 14th century. Many Swedish monarchs are buried here, including Gustavus Adolphus (Gustav II Adolf) and Charles XII (Karl XII). But what about Nelson Mandela, Lord Mountbatten, Chiang Kai-shek and other notables? - No, their plaques are here as "Knights of the Order of Seraphim", a Swedish heraldic society.
Riddarhuset
Presents Swedish history from the perspective of the noble estate. Though most land in Sweden has been held by peasants, the nobility dominated the Swedish military.
Sweden's only postal museum. Temporarily closed.
A museum with exhibitions focused on human rights and crimes against humanity. Previous exhibitions have depicted Sweden's role in World War II in Europe and the Holocaust.
Daily walking tours of Gamla Stan.
A second stage with the same concept as Musikvalvet Baggen.