The Royal Ontario Museum (ROM) is a museum of art, world culture and natural history in Toronto, Ontario, Canada. It is one of the largest museums in North America and the largest museum in Canada. It attracts more than one million visitors every year, making it the most-visited museum in Canada. The 74,000-square-metre (800,000-square-foot) museum building is located north of Queen's Park, in the University district, with its main entrance on Bloor Street West. Museum subway station is named a