5 Sights in Boulogne-Billancourt, France (with Map and Images)

The Champ de Mars is a large public greenspace in Paris, France, located in the seventh arrondissement, between the Eiffel Tower to the northwest and the École Militaire to the southeast. The park is named after the Campus Martius in Rome, which was dedicated to the god Mars. The name alludes to the fact that the lawns here were formerly used as drilling and marching grounds by the French military.

Wikipedia: Champ de Mars (EN)

Hôtel Guimard is an Art Nouveau town house built in 1909–1912 by Hector Guimard for use as his home and architectural studio, with a studio for his wife, the painter Adeline Oppenheim Guimard. It is considered one of the best surviving examples of his mature style. The house is located at 122 Avenue Mozart in the 16th arrondissement of Paris, France.

Wikipedia: Hôtel Guimard (Art Nouveau) (EN)

The Castel Béranger is a residential building with thirty-six apartments located at 14 rue de la Fontaine in the 16th arrondissement of Paris. It was designed by the architect Hector Guimard, and built between 1895 and 1898. It was the first residence in Paris built in the style known as Art Nouveau.

Wikipedia: Castel Béranger (EN)

The crystal fountain, often called Béla Bartók fountain, is a sculptural transcription of the tonal harmony research by the Hungarian composer Béla Bartók. Work of the sculptor Jean-Yves Lechevallier, in polite steel and mosaic, it was inaugurated in 1981.

Wikipedia: Fontaine Béla-Bartók (FR)

The Hotel Mezzara is an Art Nouveau style mansion built by the architect Hector Guimard in 1910-1911 for Paul Mezzara, a textile industrialist and lace designer. It is located in the 16th arrondissement of Paris.

Wikipedia: Hôtel Mezzara (FR)