If you're looking to purchase a real Christmas tree, there are a few options available to you. The first option is to visit a local nursery or garden center that sells Christmas trees during the holiday season. You can also check out local farmer's markets or Christmas tree farms where they may be selling fresh-cut trees. Additionally, you may be able to find a Christmas tree vendor at a local holiday market or shopping mall. Finally, online retailers such as Amazon also offer a wide selection of real Christmas trees for sale.