This event is in the past.It took place on September 21, 2025 at École des Mines de Paris.




Slip behind the scenes at one of Paris's most prestigious engineering schools. Explore an 18th-century mansion hiding a light-soaked library, a historical-monument staircase with frescoes, and a mineralogy museum packed with over 100,000 specimens.
Historic architecture
Museum access
Heritage weekend
Hidden library
Tips
📝free but registration recommended
🗺️deep inside building, takes time to find
Journées du Patrimoine 2025
5th Arr.




Slip behind the scenes at one of Paris's most prestigious engineering schools. Explore an 18th-century mansion hiding a light-soaked library, a historical-monument staircase with frescoes, and a mineralogy museum packed with over 100,000 specimens.
Historic architecture
Museum access
Heritage weekend
Hidden library
Tips
📝free but registration recommended
🗺️deep inside building, takes time to find
Make it an outing
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