I want to go to Canada in North America.
Because I want to eat maple syrup in snow.
I saw it in Caillou DVD.
And I want to see the maple leaves.
Also it is a large land.
And I want to see polar bears, buffaloes, beavers and bighorn sheep.

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Because I want to eat maple syrup in snow.

Correction: I want to go to Canada in North America because I want to taste maple syrup in snow.
Explanation: You cannot start a sentence with the word because so it is better to connect both sentences.
                    Taste could be a more appropriate word to use because basically, you cannot eat the maple syrup.

And I want to see the maple leaves.
Correction: I want to see the maple leaves
Explanation: You cannot start your sentences with conjunctions such as for, and, nor, but, or, yet, so, because, etc.

Also it is a large land.
Correction: Canada is also a large land.
Explanation: Do not start your sentence with also  and do not put it at the end of your sentence.

And I want to see polar bears, buffaloes, beavers and bighorn sheep.
Correction: I also want to see polar bears, buffaloes, beavers and bighorn sheep.
Explanation: You cannot start your sentence with and.

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Hello, Sarah! I see that you wrote a very interesting homework. There are just very minimal corrections in your grammar. Just keep in mind all the rules so your articles will be better next time. Good job, Sarah! Keep it up!