This event is in the past.It took place on September 21, 2025 at hôtel de Mercy-Argenteau.
Walking Tour
Walking TourStep inside the 1778 mansion where Marie-Antoinette's advisor once lived. This rare Heritage Days opening reveals the Hôtel de Mercy-Argenteau's freshly restored interiors, now home to Van Cleef & Arpels' jewelry school.
Historic mansion tour
Heritage Days special
18th-century architecture
Jewelry arts school
Journées du Patrimoine 2025
2nd Arr.
Walking TourWalking TourStep inside the 1778 mansion where Marie-Antoinette's advisor once lived. This rare Heritage Days opening reveals the Hôtel de Mercy-Argenteau's freshly restored interiors, now home to Van Cleef & Arpels' jewelry school.
Historic mansion tour
Heritage Days special
18th-century architecture
Jewelry arts school
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