Hotel AquaDom the world's largest aquarium
Hotel Radisson Blue is located in Berlin and is famous for its amazing architectural style. Here also is the largest cylindrical aquarium in the world.

This incredible facility is located in one of the hotels in Germany, in a complex DomAquarée, which, in addition, you can stay overnight, eat in a restaurant and much more. However, the most exciting and something that really attracts people to stay here - it's an unusual cylindrical tank, which passes through the middle of the building.
This facility is the largest cylindrical aquarium in the world, 25 feet high, filled with 900.000 liters of seawater. AquaDom is home to a variety of fish, 1.500, more than 50 different varieties. Every day, divers feed the fish and clean the tank, this process is going to gawk at the many tourists.