1. "Rich and Powerful: Eight Homes of Presidents and the World's Richest Man"
for nonprofit Cultural Tourism DC's annual "WalkingTown DC." 9/23/18. To register
for this walk, visit: https://www.culturaltourismdc.org/portal/tour-schedule
2. New "Nature Photography DC/MD/VA" Meetup with hikes and talks. 2018/2019
3. Winter Nature Photography Hotspots talk, Jan. 15, 2019, Chantilly Regional Public Library, Chantilly, VA. Free talk. Books and cards (and "Walking Washington, DC") sold and signed after the talk.