One Central Park, Sydney

World's tallest green facade

Sydney, Australia

One Central Park, Sydney

Hydroponic gardens are just the first of many biomimicry technologies underpinning this futuristic complex.Rob Deutscher via Flickr/CC BY 2.0

The 381-foot-tall One Central Park in Sydney, Australia, incorporates two unique technologies: A hydroponic garden made up of 383 species that hugs the building’s exterior, and 42 heliostats, mirrors that passively direct solar energy away from apartment windows and onto shaded spaces.