Bass Pro Shops posts a calendar full of FREE classes and workshops on fishing, camping, boating, hunting and other outdoor skills. Anglers might want to pay particular attention to this weekend which is the Spring Fishing Classic. Saturday & Sunday, February 25 & 26, starting at 10:30 a.m. both days, the store is running back-to-back fishing seminars. Topics include Fly Casting, Kayak Fishing, Front Range Perch, seasonal patterns and more. Customers that donated used rods and reels can receive trade-in savings and instant bonus offers up to $100. The used equipment will be donated to local nonprofits. 7970 Northfield Blvd., Denver, 720-385-3600.