Niagara Falls is a waterfall in Canada.
The Scooby-Doo Show
The gang are driving down a dark road on a stormy night, on the way back from Niagara Falls. Soon, they realize they are lost. They run into a Canadian border patrol officer, Officer Oldfield, who warns them to not drive past the sanitarium, which is rumored to be haunted by the Ghost of Dr. Coffin.