Just to name THREE there is Niagra Falls which is shared by Ontario(Can.) and New York(U.S.), the Rocky Mountains which run from British Columbia(Can.) to New Mexico(U.S.), and The great plains.
The major landforms that Canada and the United States share are Toronto, the Great Plains, and the Rocky Mountains.
St. Lawrence River, the Great Plains, and the Rocky Mountains are major landforms that both Canada and the United States of America share.
they are only one thing us mexico and canada share.
Canada and Mexico
Canada and Mexico
land and water
I know of one: Niagra Falls.
Mexico and Canada
Canada and Mexico.
land and water
rocky mountains&&great plains
Two, Canada and Mexico.