I suspect you are thinking of the CN Tower. But the CN Tower is not the world's largest structure, never was, and doesn't even come close. It is tall, very tall, but quite thin. The CN Tower was (but is no longer) the world's tallest free-standing structure.
Lake Huron
The Great Lakes: Huron Ontario Michigan Erie Superior
The world's largest wooden structure is the Yakutskaya shopping center in Russia. It covers an area of 1,605,000 square feet and is made entirely of wood.
North of Ontario, west of Quebec, north east of Manitoba and south east of Nunavut.
the Canadian National Tower is located in Toronto,Ontario at 1,815 feet (553 meters)it is the worlds tallest tower. Niagara folls is located in Ontario,Canada the Toronto zoo is the largest zoo located in Toronto,Ontario Ontario place is a family fun park and an inside water park
Worlds largest animal: Blue Whale
the worlds largest swamp is the Sudd thx for asking
USA has the worlds largest rail network.
The worlds largest natural magnet is the earth itself.
ch did the worlds largest lollipop weigh
The world's largest inland water transportation unit is the American Queen Steamboat Company in the United States. They operate the largest paddlewheel steamboat on the Mississippi River, offering luxury cruises and excursions.
Avenida 9 de Julio is the worlds LARGEST road. Only LARGEST. not WIDEST. Avenida 9 de Julio is the worlds LARGEST road. Only LARGEST. not WIDEST.