This event is in the past.It took place on September 21, 2025 at Villa Castel Val.
Decorative ExhibitionDecorative ExhibitionStep into the whimsical world of Hector Guimard, the visionary behind Paris's iconic metro entrances. Castel Val showcases his Art Nouveau genius in a quiet riverside setting: flowing lines, organic curves, and details that make stone feel alive.
Architectural heritage
Guided tours
Historic building
Art Nouveau design
Free
Journées du Patrimoine 2025 - Visite commentée
Auvers-sur-Oise
Decorative ExhibitionDecorative ExhibitionStep into the whimsical world of Hector Guimard, the visionary behind Paris's iconic metro entrances. Castel Val showcases his Art Nouveau genius in a quiet riverside setting: flowing lines, organic curves, and details that make stone feel alive.
Architectural heritage
Guided tours
Historic building
Art Nouveau design
Free
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