Johnson Wax Headquarters, Corporate headquarters in Wisconsin, USA
The Johnson Wax Headquarters is a world-renowned example of innovative open-plan office architecture.
Designed by Frank Lloyd Wright and built in 1939, it's a National Historic Landmark.
Its unique 'lily pad' columns and glass tubing windows reflect Wright's organic architectural philosophy.
Still operational today, it houses the global headquarters of SC Johnson & Son.
It features a dendriform column that supports the roof with a cantilevered structure.
Location: Racine
Architect: Frank Lloyd Wright
Official opening: 1939
Address: 1525 Howe Street
Source: Wikimedia