Ontario - a prosperous and industrialized province in central Canada

Empire State, New York State, NY, New York - a Mid-Atlantic state; one of the original 13 colonies

American Falls - a part of Niagara Falls in western New York (north of Buffalo)

Canadian Falls, Horseshoe Falls - a part of Niagara Falls in Ontario

Niagara River, Niagara - a river flowing from Lake Erie into Lake Ontario; forms boundary between Ontario and New York

falls, waterfall - a steep descent of the water of a river

city, metropolis, urban center - a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city"

Empire State, New York State, NY, New York - a Mid-Atlantic state; one of the original 13 colonies