The Believer is a superb literary magazine by McSweeney's, positively packed with articles, interviews, poems and columns for the literary-minded (i.e. English major like moi).
Kinfolk is not actually available by subscription but is such a lovely publication, one volume makes a great gift. Full color photography and seasonal inspiration for get togethers, recipes and other projects. Kinfolk is available in all Anthropologie stores and at Forage Modern Workshop in Minneapolis if you want to keep it local. Check the stockists for a place to pick up the latest issue in your area.
Anthology is a limited-edition quarterly publication that's perfect for design bloggers and interior appreciators. It is such a treat to get in the mail!
Cook's Illustrated contains a wealth of information in each issue, it's almost overwhelming. But for the home cook who's interested in the how and why behind their cooking, it's a great source. They've tested every method and every tool, so you know the best way to make any dish.
The New Yorker is great for the covers alone and is delivered each week (how can one ever keep up?)