Moraine Lake Alberta. Is this where postcards were invented?by markDecember 20, 2020 Moraine Lake Alberta. Is this where postcards were invented? Share this:TwitterFacebook Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email.