• Watersheds in Winter (Virtual)

    (VA) (Arlington Parks) Join us for a virtual talk to explore how snow, ice, and road salt impact water quality—and learn simple actions you can take to protect your watershed during the colder months. Adults.

  • Late Fall Birding at Kenilworth

    Kenilworth Aquatic Gardens 1550 Anacostia Ave, NE, Washington DC, United States

    (DC) (Nature Forward) Our fall birding series visit natural areas under an hour’s drive from DC where a variety of habitats – including field, forest, and wetland – provide good opportunities for the observation and ID of birds in autumn. On the earliest walks, we’ll hope to catch some southbound migrants – including those “confusing fall warblers.” As the season ...

    $33 – $46
  • Exhibit: Recovering Our Night Skies

    Smithsonian National Museum of Natural History 1000 Madison Drive NW, Washington, DC, United States

    (DC) (Smithsonian Natural History Museum) Artificial lights have become such common nighttime fixtures that we take them for granted. But what do brighter nights mean for people and wildlife? The effects of light pollution go beyond our diminishing view of the stars, but the solutions can have an immediate impact. Through over 100 photographs, nearly 250 objects, interactive experiences, tactile ...

  • Winter Sparrows (Virtual)

    (VA) (Arlington Parks) Get ready for winter by brushing up on sparrow identification! Every season brings its own challenges for birdwatching. In winter, similar-looking sparrows can be hard to tell apart, and they are singing less and calling more. Join expert birder Bert Harris to learn tips for identifying winter sparrows. Intended for beginning and intermediate birders. Adults.

  • Solstice Celebration Hike

    Widewater State Park 101 Widewater State Park Road, Stafford, MD, United States

    (VA) (Nature Forward) The first day of winter is arriving. Whether you call this astronomical event the shortest day – or the longest night – of the year, it’s a good occasion to pause the bustle of daily life and join fellow nature lovers on a hike in a beautiful place! Our outing starts at the Widewater area along the ...

    $35 – $49
  • Hillwood Tour: Bones of the Winter Garden

    Hillwood Estate 4155 Linnean Avenue, NW, Washington, DC, United States

    (DC) (Hillwood) Explore the bones of Hillwood’s peaceful winter gardens with Jessica Bonilla, director of horticulture. Evergreen plants take center stage, deciduous woody plants become architectural, and hardscapes become more important. Winter’s cool light shapes the experience, and we can sense more subtle shades of green and brown. The few flowers in bloom are very special, and the texture of ...

    Free – $20
  • Nocturnal Animal Hike

    Long Branch Nature Center & Park 625 S Carlin Springs Rd, Arlington, VA, United States

    (VA) (Arlington Parks) Learn about the animals active at night (nocturnal) and try to find some! There will be a short introductory presentation in the nature center followed by a hike outside around the park. We will stay on the walking paths; dress for the weather. Families.

    $7
  • Invasive Plant Removal at Carter Barron

    Carter Barron Amphitheatre 4850 Colorado Ave NW, Washington DC, United States

    (DC) (Rock Creek Conservancy)  Join Rock Creek Conservancy 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. Event location, directions, and information will be sent from the event leader 48 hours prior to the event.