Akershus Castle and Fortress (Akershus Slott og Festning)

"Strategically located on the eastern side of the harbour, dominating the Oslo harbour front, are the medieval castle and fortress, arguably Oslo's architectural highlights." Full review

"This 700 year old fortress lies nestled by the Oslo fjord, still quite imposing even though lots of modern buildings have shot up all around it." Full review

"Discover some of Oslo’s most important history at this medieval fortress and castle overlooking the city’s fjord approach." Full review

"Summer tours take you through its magnificent halls, the castle church, the royal mausoleum, reception rooms, and banquet halls. Explore Akershus Fortress and its resplendent green gardens" Full review

"It has withstood fierce battles, drawn-out sieges, and a few fires, and changed shape architecturally since King Hakon V ordered it built in 1299, when Oslo was named capital of Norway." Full review