
The Ozeanum is a public aquarium located in the historical harbour of Stralsund. It is part of the German Oceanographic Museum (Deutsches Meeresmuseum) and displays primarily sea life of the North Sea and the Baltic Sea.
You only see what you know (Goethe)

The Ozeanum is a public aquarium located in the historical harbour of Stralsund. It is part of the German Oceanographic Museum (Deutsches Meeresmuseum) and displays primarily sea life of the North Sea and the Baltic Sea.

You find this sundial on the facade of a 16th-century building located at the main square of Neunkirchen. The city is the capital of the district of Neunkirchen in the Austrian state of Lower Austria.

This manhole cover on a platform of Prague Central Station (Praha hlavní nádraží) displays the historic station building. Today, the entrance hall of this building, created by Josef Fanta, forms a hidden gem for friends of Art Nouveau. [German]

Below the Spanische Bau in Cologne, fans of Roman architecture find the remains of the ancient Roman Praetorium. Right next to these ruins, visitors have the chance to walk through a former Roman sewer below the streets of the modern city.

This memorial plaque for Samuel Langhorne Clemens, generally known as Mark Twain, is placed at that hotel in Vienna where he used to stay between October 1898 and May 1899. The hotel named Ambassador is still a prime address in Vienna.

This Socialist Realist fresco forms a decoration in the hall of the Bratislava Main Railway Station (Bratislava hlavná stanica). The mural was created by František Gajdoš in 1960. An intriguing detail is the small sputnik at the upper edge of the depiction.

On my way from the Imperia statue to the Rhine Gate Tower (Rheintorturm), I notice a striking red facade. Around 1300 the St. Konrad Hospital was built in this place, which integrated an existing chapel. The hospital later changed into the Dompropstei of Constance. [German]

The monument to the Austrian writer Franz Grillparzer (1791-1872) was built in 1889 and displays scenes from his works. It is located in a public park of Vienna named Volksgarten, which is worth a visit, especially during the heyday of roses. [German]

In the archaeological zone of the Hungarian town of Szombathely, there are remains of the ancient street paving. The Roman name of this place was Colonia Claudia Savaria. [German]

On 27 August 1939, the first aircraft with a jet engine completed its maiden flight. The machine was developed by Ernst Heinkel Flugzeugwerke and bore the type designation He 178. [German]

This house sign is located at the former location of the town pharmacy in the building Hauptplatz No. 10. Since 1674, a gingerbread baker has been proved here. A pharmacy started to run in 1841. The house sign dates from the 19th century. [German]

At first, I was surprised to see embrasures at this part of the former curacy. Later, I learned the Baroque building was erected on top of the walls of a former defence tower. The fresco above the richly ornamented portal depicts Saint Nicholas, to whom the nearby church is consecrated.