MegaStructures

Spaceport America

The renovated California Academy of Sciences - the world's largest green public building - emerges from the landscape of Golden Gate Park. Viewed from the air, the undulating living roof resembles a piece of the park flying as if by magic.
Aired: Aug 29, 2011 Genre: DocumentaryDuration: 1h Rating: 0 Country: United States of America Production: National Geographic