Events for August 15, 2026

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Summer Bird Walk at the Arboretum

US National Arboretum 3501 New York Ave NE, Washington DC

(DC) (Friends of the National Arboretum) Join us for a summer bird walk through the U.S. National Arboretum led by experienced guides from the DC Bird Alliance. The Arboretum's 451 acres of green space provide a unique ecosystem within the city to find a variety of birds. On this bird walk, you'll not only spot birds — you'll also learn ...

Invasive Plant Removal at Piney Branch

Piney Branch Oasis 3499 Mt Pleasant St NW, Washington

(DC) (Rock Creek Conservancy) Join Rock Creek Conservancy, the National Park Service, and Weed Warrior Leader, Keith Krosinsky for this invasive plant removal restoration event in Rock Creek Park. Invasive plants are a major threat to our fragile forests, and stopping their spread helps allow native plants to thrive in the understory.