Question - The longest greeting card ever created was made by a city in this province that is home to Wahoosh Falls

The longest greeting card ever created was made by a city in this province that is home to Wahoosh Falls. "A Place to Stand, a Place to Grow" is the anthem of this province whose license plates read "Yours to Discover." The tallest free-standing structure in North America can be found in this province, which is home to its country's largest zoo in Scarborough. Brampton and Thunder Bay are contained within, for the point, what Canadian province served by Pearson Airport that contains the CN Tower and Toronto?

Answer:

Ontario