(VA) (Friends of Dyke Marsh) Help us map Potomac River tides October 10 to 12 during the highest tides of the year, called “king tides.” Participants will use a mobile app that collects location-based data points along the water’s edge. Sponsors will hold a training before the mapping event. This data can help researchers develop models that simulate tidal dynamics ...
(DC) (Hillwood) The fall garden shines as plantings, accented by tens-of-thousands of chrysanthemums, begin to transition from the bright growth of summer to fall colors. Jessica Bonilla, director of horticulture, highlights her favorite fall features and first-hand stories of practical gardening lessons. Tickets are distributed at the Ellen MacNeille Charles Visitor Center upon opening each day. This forty-five-minute tour is ...
