This event is in the past.It took place on May 23, 2026 at Espace Cristal Gaïa.










Wander among prehistoric monsters after dark for a uniquely atmospheric museum night. The exhibition traces 450 million years of evolution through dramatic casts and fossils, with mineral fluorescence adding unexpected discoveries around every corner.
night museum
prehistoric monsters
family-friendly
passionate volunteers
Tips
✨"The volunteers are so passionate that the visit becomes magical"
💎watch for fluorescent mineral displays in the dark
🦖great for dinosaur-loving kids of all ages
Exposition "Les Monstres des mondes disparus"
Montereau-Fault-Yonne










Wander among prehistoric monsters after dark for a uniquely atmospheric museum night. The exhibition traces 450 million years of evolution through dramatic casts and fossils, with mineral fluorescence adding unexpected discoveries around every corner.
night museum
prehistoric monsters
family-friendly
passionate volunteers
Tips
✨"The volunteers are so passionate that the visit becomes magical"
💎watch for fluorescent mineral displays in the dark
🦖great for dinosaur-loving kids of all ages
Make it an outing
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