Art Nouveau store front in Brussels: Paul Ankar, I actually know this flower shop, it's not far from the Parc in central Brussels. The flowers are really nice as well - Daniel Ost is quite a famous florist.
Charlotte Mann, wall drawings in marker Charlotte Mann is a British artist who draws on walls as an adult — and gets paid for it! Mann specializes in wall drawings and drawn room installations, created with bold black markers on a white ground.
Maxim's - Paris - Art Nouveau - Maxim’s de Paris is located in the Arrondissement between the Place de la concorde and Madeleine with its incredible Madeleine church and is only a few steps away from the River Seine on the Rue Royale.
La Maison Saint-Cyr, is an Art nouveau house designed by the architect Gustave Strauven and located in Brussels. The building was built between 1901 and 1903 as a private house, by the painter Georges de Saint-Cyr.