10 a.m.-12 p.m. – Mushrooms can be found during just about any walk in the woods. Join mushroom expert Mary Woehrel for a glance into the mysterious lives of mushrooms. Participants will look for native mushrooms, then head inside to learn how to identify edible and poisonous mushrooms, and more. $12 per person. Space is limited. RSVP by calling 412-398-1101. Blue Heron Nature Preserve, 4055 Roswell Rd., Atlanta, 30342. Go to www.bhnp.org for additional details.