![Haus Des Meeres Aquarium, a former German World War Two anti-aircraft flak tower in Esterhazypark, Vienna, Austria Stock Photo - Alamy Haus Des Meeres Aquarium, a former German World War Two anti-aircraft flak tower in Esterhazypark, Vienna, Austria Stock Photo - Alamy](https://c8.alamy.com/comp/2AP4XTX/haus-des-meeres-aquarium-a-former-german-world-war-two-anti-aircraft-flak-tower-in-esterhazypark-vienna-austria-2AP4XTX.jpg)
Haus Des Meeres Aquarium, a former German World War Two anti-aircraft flak tower in Esterhazypark, Vienna, Austria Stock Photo - Alamy
vienna.info - You can enjoy this sensational view of Vienna at the newly opened café "oceansky" on top of the Haus des Meeres Zoo. And don't miss to visit the new aquarium
![VIENNA, AUSTRIA - SEPTEMBER 8, 2017. Giant Arapaima Fish Swimming in an Aquarium at Vienna Schonbrunn Palace Zoo Editorial Image - Image of gigas, glass: 100708295 VIENNA, AUSTRIA - SEPTEMBER 8, 2017. Giant Arapaima Fish Swimming in an Aquarium at Vienna Schonbrunn Palace Zoo Editorial Image - Image of gigas, glass: 100708295](https://thumbs.dreamstime.com/b/vienna-austria-september-giant-panoramic-marine-fishtank-haus-des-meeres-zoo-vienna-austria-giant-panoramic-marine-fishtank-100707092.jpg)