Inside the historic Vassborgen Castle there is this unique museum, which displays all the remains of this ancient castle, and at the same time presents the history of the city of Uppsala during the medieval period. Inside, you will see antiques, old bricks, wall carvings, and wooden structures, some of which have fallen over the years. In addition to the antique gunpowder cannons used in wars in the past. This museum is a convenient place for groups to learn about and witness the ancient Swedish history.