what is this art style called in germany?
"Jugendstil"
Art Nouveau
German Art Nouveau is commonly known by its German name, "Jugendstil", or "Youth Style". 
what is the house with chimeras? An Art Nouveau building could you explain a bit more about this art form? The building  featured flowing, curvilinear designs often incorporating floral and other plant-inspired motifs. Horodecki featured such motifs in the building's exterior decor in the forms of mythical creatures and big-game animals
wiki:5348783
Art Nouveau [SEP] "Jugendstil" in Germany
German Art Nouveau is commonly known by its German name, "Jugendstil", or "Youth Style". The name is taken from the artistic journal, "Die Jugend", or "Youth", which was published in Munich. The magazine was founded in 1896 by Georg Hirth, who remained editor until his death in 1916. The magazine survived until 1940. During the early 20th century, "Jugendstil" was applied only to the graphic arts. It referred especially to the forms of typography and graphic design found in German magazines such as "Jugend", "Pan", and "Simplicissimus". "Jugendstil" was later was applied to other versions of Art Nouveau in Germany, the Netherlands.