What: Mod Livin’, Decade, and all the Goodwills in town can’t begin to compete with the annual Denver Modernism Show, a shopping extravaganza for all things art deco, modern, and mid-century. Why: Vendors from around the country sell clothing, lighting, ceramics, furniture, and more. Bonus: A special Friday preview party (7-10 p.m., $10) gives a sneak peak at all the goods. Details: Sat 10 a.m.-6 p.m.; Sun 10 a.m.-3 p.m. National Western Complex Expo Hall, 4655 Humboldt St. $5. For more information, visit www.denvermodernism.com.