Learn about Arboretum land, plants, animals, fungi, phenology, and ecology. Geared for adults, these longer walks may cover some sloping terrain. Wear sturdy closed-toe shoes and come seasonally prepared for weather and insects. Walks take place except in unsafe weather. Free, no registration required. Meet at Grady Tract parking lot, southeast corner of Seminole Hwy. and W. Beltline Frontage Rd.