Uppsala - #Sweden's fourth city population. The city has a number of important historical buildings, which are very high and therefore the city is limited to the number of high-rise buildings. Architectural Objects: Main Square, Cathedral, Castle, Old Uppsala Central Station. Among the tourist attractions of the city can be identified Cathedral, Castle, Gamla Uppsala Valsgärde burial. Also, the city is a UNESCO: Linnaeus Garden Linnaeus' Hammarby, Baroque garden.