AEWORLDMAP.COM (3,300+ posts)

Building: Suite Vollard
Location: Curitiba, Paraná, Brazil
Completion: 2004
Architect: Bruno de Franco

AE Interests: Constructed mainly from concrete, this is the world’s first fully rotating structure, turning 360 degrees every hour. Each floor has double sheets of tinted glass on the façade and is independent of the other 10 levels.