Ontario's Yorkdale Centre

Canada's first mega mall encompassed around 1 million square feet of selling
space and housed ninety-three stores and services. It was the largest regional
shopping centre in Canada.
Graphic from Trizec Corporation Limited Annual Report 1963

An aerial view of YORKDALE CENTRE on its grand opening day, in February 1964. Its vast parking area provided free parking for 6,500 autos.
Graphic from Trizec Corporation Limited Annual Report 1963