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This event is in the past.It took place on September 20, 2025 at National Archaeological Museum.

Journées du Patrimoine 2025 1
Walking Tour
Journées du Patrimoine 2025 2
Journées du Patrimoine 2025 3
Journées du Patrimoine 2025 4
Journées du Patrimoine 2025 5

Journées du Patrimoine 2025

Saint-Germain-en-Laye

Step inside the Salle de Mars, a 500 m² hall with ribbed vaults and fleurs-de-lys that's been closed since 2015. This Heritage Days exclusive reveals Henri II's grand chamber, complete with a salamander fireplace honoring François I.

16th-century architecture
Guided tours
Heritage Days exclusive
Renaissance palace

National Archaeological Museum

1 Pl. Charles de Gaulle, 78100 Saint-Germain-en-Laye, France

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Journées du Patrimoine 2025 - Outgoing