AEWORLDMAP.COM (3,300+ posts)

Building: Montreal Biosphère
Location: Montreal, Quebec, Canada
Completion: 1967
Architect: Richard Buckminster Fuller

AE Interests: This massive, geodesic dome was constructed from a frame of steel pipes with 1,900 acrylic panels. The surface of the 250 foot diameter dome consists of a system of retractable shading screens, angled with respect to the sun, to control the heat.