A treasure trove of antiques and collectibles, the Harvard Flea Market boasts over 170 booths filled with vintage jewelry, Blu-ray DVDs, video games, books, pottery, oriental rugs, lamps, paintings, gardening items, leather, fossils and minerals, horse tack, coins, vintage postcards, memorabilia, furniture, glass, household items, cookbooks, holiday gifts and crafts, sports equipment, toys, clothing, farmer’s market items, a food court and more. Saturday of Columbus Day weekend annually.