NOTICE TO VISITORS As part of major renovations aimed at upgrading the facilities and enhancing the visitor experience, please note that the Biosphere will be temporarily closed to the public from September 15 to November 17, 2025, inclusive. We thank you for your understanding. Discover an emblematic place of Montreal The Biosphère is a unique building with a fascinating history. Now a museum dedicated to the environment, the spheric structure started out as a popular pavilion at Expo ’67. Today, the geodesic dome blends the visionary ecological outlook of its designer, Buckminster Fuller, with today’s environmental concerns. This exhibition looks at the Biosphere’s history, introduces its other ongoing exhibitions and examines the links between art, society and the environment.