The Museum of the World Ocean is no doubt one of the top tourist attractions in Kaliningrad. The complex offers various exhibitions (permanent and temporary) related to ocean life.
The aquarium hall, though not too big, is very entertaining, especially for kids. The tropical fish are really something to look at!
For adults, one of the most interesting museum objects is definitely the submarine. It’s not every day that you get to be inside a real submarine and feel like a member of the crew. At moments like this you realize that, compared to this work, you job is probably just a piece of cake! Caution! Do not go if you suffer from claustrophobia!
The scientific historical vessels along the embankment are also extremely interesting and well worth visiting! Do not miss! And check the opening times before going — many objects are closed on Mondays and Tuesdays.