SkyDome in Toronto Canada ( the former name of the Rogers Centre stadium in Toronto, Ontario, Canada - Not to be confused with Rogers Arena in Vancouver or Rogers Place in Edmonton) is the only facility in the world to wash 37,000 seats after each event. The building itself is 11.5 acres (4.66 hectares). The ceiling height is 310 feet The roof rises to a height of 86 meters (282 feet), high enough for a 31 story building at center field with the roof closed

Rogers Centre