Did you know it’s illegal to whistle in Petrolia, Ontario? Or that a merchant can turn down $5 payment, if you pay entirely in nickels? In Canada, we have a few quirky laws that somehow fly under the radar, and are worth knowing about if you’re travelling here. We learned about 13 of them recently from Reader’s Digest, which posted a story by Lucy Izon called “13 Strange Canadian Laws That You Never Knew Existed.: Curious about the other 11? Read more, over at readersdigest.ca.