King's Gate is one of the best-preserved of Königsberg's 19th-century city gates and now houses a small museum focused on Königsberg's maritime history and the rebuilding of the city after 1945. The gate itself is a fine piece of neo-Gothic brick architecture, with three arched passages and a facade decorated with sculptural niches. The contrast between the ornate Prussian military architecture and the Soviet-era apartment blocks surrounding it is one of the city's most striking juxtapositions.
The museum inside is modest but useful, with exhibits on the history of the gate, the old city walls, and some material on the planned restoration of the Fish Village district nearby. King's Gate sits in the eastern part of the city centre, about 20 minutes on foot from the cathedral. It is one of several surviving gates, and a walk to connect several of them — King's Gate, Sackheim Gate, and Rossgarten Gate — makes for a good afternoon's exploration of the city's military history.