No one can dispute today the oversized size of dinosaurs, the largest animals to have trodden on the ground. But other extraordinary creatures also had extraordinary dimensions and nightmarish appearances, long before the appearance of these mythical reptiles. With «The Monsters of the Missing Worlds», embark on an expedition and experience the great stages in the evolution of the planet since its origins 4.5 billion years ago. From the bottom of the ocean, on land or in the air, travel to great geological periods and discover, among others: the first traces of life of the Archean (-3.8 billion years), the rise of animal life in the Cambrian (-520 million years), the world of dinosaurs of the Mesozoic or the appearance and evolution of large mammals and human lineage... Dive with the first strange-looking marine animals, discover a giant centipede, an unusual dragonfly, face-to-face with a tyrannosaurus or a scary megalodon jaw, to allow the visitor to go back in time from the beginning of life on Earth to the not so distant period of the extinction of certain species for which Homo sapiens sapiens is responsible. The CRISTAL association offers you, from 3 September 2025, with a permanent installation, to discover some of these incredible animals that have traveled our planet. Complete or partial skeleton, life-size reconstitutions colorized, 1/1 scale silhouette, it is an impressive universe, sometimes terrifying, that CRISTAL and the Musée espace GAÏA invite you to browse like a book. Curiosity first and foremost! Informations Free Accessibility

• Handicap intellectuel
• Mobility Impairment

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19 rue du Prieuré 77130 Montereau-Fault-Yonne, Seine-et-Marne, Île-de-France, France