The Dunwoody Preservation Trust presents “Lemonade Days.” The 14th annual event features carnival rides, 5K, petting zoo, music, concessions and more. Free festival admission; rides, food and other events require ticket purchase. Continues through April 21. Proceeds support the DPT’s historic sites upkeep and community engagement events. Held in Brook Run Park, 4770 N. Peachtree Road, Dunwoody, 30338. For additional information, go to: www.dunwoodylemonadedays.org.