• Sign-Up for Free Trees in Arlington

    (VA) (EcoAction Arlington) Apply to have a tree planted on your property. All private property in Arlington is eligible to have a native tree planted on the property through EcoAction Arlington's Tree Planting Program. Applications are open until January 14th, 2026!

  • Apply for a Free Tree in DC

    (DC) (Casey Trees) Get Free Trees to accentuate your home with a beautiful shade tree at no cost. To register, submit an application with Casey Trees and one of their professional Urban Foresters will be in touch to start your process.

  • Exhibit: Dazzling Diversity

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

    (DC) (Smithsonian Natural History Museum) Celebrate the vast and varied insect world through the pages of early natural history books from the Smithsonian Libraries and Archives. Dazzling Diversity provides a glimpse into the wealth of recorded scientific knowledge in these books, and the continuing relevance of historical science to contemporary biodiversity research. It offers a snapshot of different classes of ...

  • Senior Wellness Walk in Deanwood

    Deanwood Recreation Center 1350 49th St NE, Washington, DC, United States

    (DC) (Department of Parks and Recreation) Just 30 minutes every day can increase cardiovascular fitness, strengthen bones, reduce excess body fat, and boost muscle power and endurance. It can also reduce your risk of developing conditions such as heart disease, type 2 diabetes, osteoporosis and some cancers. Participants will enjoy group walking around the neighborhood, around the park, or just ...

    Free – $25
  • Ice Skating at the Sculpture Garden

    National Gallery of Art Sculpture Garden 7th Street & Constitution Ave. NW, Washington, DC, United States

    (DC) (National Gallery of Art) The beloved winter tradition returns to the National Gallery of Art! Enjoy the beauty of the Sculpture Garden, festive displays and winter refreshments through March 2nd. The ice rink is open 11:00 a.m. to 9:00 p.m., Sunday through Thursday, and 11:00 a.m. to 11:00 p.m., Friday and Saturday. Skating sessions begin on the hour and ...

    $12 – $18
  • Wednesday Nature Walkabout

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

    (VA) (Arlington Parks) The natural world is constantly changing… yearly, monthly, daily and even hourly. The only way to see it all is to go out on a regular basis and explore. Every 2nd and 4th Wednesday, join a naturalist to briefly meet one of our nature center critters (living or preserved) then go for a walk to see what ...

  • Winter 2026 Volunteer Seed Packing & Free Movie

    MLK Public Library 901 G St. NW, Washington, DC, United States

    (DC) (Slow Food DC) Volunteer to join us for 90 minutes to help repackage bulk vegetable and flower seeds so they can be donated to the DC community.  The seeds have been purchased or received as donations in bulk packs, and they need to be separated out into small seed packs (5-10 seeds each) that meet the needs individual gardeners ...

  • Orchid Care

    US Botanic Garden 100 Maryland Ave SW, Washington DC, United States

    (DC) (US Botanic Garden) Want to know more about orchid care and maintenance? Drop by the Conservatory's Garden Court to talk with George about orchids! Bring your questions and connect with USBG plant science professionals in this Expert Is In program.