Northern Virginia Senior Olympics. Various times and locations, more than 50 different events taking place at more than 25 venues across Northern Virginia. Call 703-403-5360 or visit www.nvso.us for more. Gardening Excursion. 7 a.m.-7 p.m., at Green Spring Gardens, 4603 Green Spring Road. Chanticleer Garden in Wayne, Pennsylvania is a blend of art and horticulture. Trip includes motor coach, entrance, guided tour, and lunch. $124. Visit www.fairfaxcounty.gov/parks/greenspring or call 703-941-7987.