All Day

Great Backyard Bird Count

(DMV) (Audubon and Cornell Lab) Spend time in your favorite places watching birds—then tell us about them! In as little as 15 minutes notice the birds around you. Identify them, count them, and submit your counts to help scientists better understand and protect birds around the world. If you already use eBird or Merlin, your submissions over the 4 days ...

Potomac River Cleanup at Sligo Creek

Sligo Creek Trail Silver Spring

(MD) (Potomac Conservancy) Join Potomac Conservancy and Friends of Sligo Creek for a trash-tastic cleanup at Sligo Creek Trail and East-West Highway (Route 410). Make a huge difference for the Potomac River as we turn to the water for a swimmable and fishable river. Polluted urban runoff is the only growing source of pollution to the river which is why ...

Potomac River Cleanup at Green Meadows

Green Meadows Park 6163-6199 Sligo Pkwy, Chillum

(MD) (Potomac Conservancy) Join Potomac Conservancy and Friends of Sligo Creek for a trash-tastic cleanup at Green Meadows Park, MD. Make a huge difference for the Potomac River as we turn to the water for a swimmable and fishable river. Polluted urban runoff is the only growing source of pollution to the river which is why we need your help. ...

Little Critters Nature Play

Smithsonian's National Zoo 3001 Connecticut Avenue, NW, Washington

(DC) (Smithsonian National Zoo) Join us for creative, drop-in play at the Zoo as we learn how fungi and lichens are an important part of nature. Little Critters: Nature Play is designed for ages 0-5 and their caregivers and families. Activities are designed with early learners in mind, but all ages are welcome.

Invasive Plants Removal at Dyke Marsh

Dyke Marsh Alexandria

(VA) (Friends of Dyke Marsh) Help protect native plants by pulling and clipping invasive plants. We will train volunteers to identify the five or so target plants. We kindly ask that you not bring pets. Invasive plants can threaten and outcompete native plants. Bring gloves, hand clippers and water. We will supply instructions, examples and trash bags.

Invasive Vine Removal at Riverdale

Browning's Grove Park 5909 Nicholson Street, Riverdale

(MD) (Casey Trees) Join Chesapeake Climate Action Network volunteer leaders from the Riverdale Park Green Team to remove Invasive Vines around the East Riverdale neighborhood. This event will be a fun mix of door-to-door canvassing and invasive vine removal.

Exhibit: Recovering Our Night Skies

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

(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 ...

Shepherd Parkway Community Cleanup

Shepherd Parkway 555 Newcomb Street SE, Washington

(DC) (Ward 8 Woods) Join Ward 8 Woods every second Saturday of the month to restore Shepherd Parkway by removing trash and invasive vines that are smothering the trees. Since 2011, over 2,000 volunteers have removed over 200 tons of trash from the woods and cut invasive vines from over 500 trees, but much work remains to be done. Give back ...

Free

Ice Skating at the Sculpture Garden

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

(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

Nature Folklore

Green Spring Gardens 4603 Green Spring Rd

(VA) (Fairfax County Parks) Celebrate Valentine’s Day with a storytelling adventure rooted in nature and connection. Discover how landscapes, plants and animals have inspired folktales from different traditions. Enjoy heartwarming stories about kindness, friendship and togetherness, then collaborate to craft your own nature-inspired tale to take home. Ages 8 to Adult.

$10

The Science of Sleep and Hibernation

Winkler Botanical Preserve 5400 Roanoke Ave., Alexandria

(VA) (NOVA Parks) Ever wonder how some native furry friends survive the chilly winter weather outside? Register the whole family and learn the difference between hibernation vs. brumation and the science behind why and how animals sleep safely in the cold.  You’ll make and take home a rabbit friend and learn how to help them get ready to hibernate. Ages 5+.

Valentine’s Stargazing Stroll

Lake Accotink Park 7500 Accotink Park Road, Springfield

(VA) (Fairfax County Parks) Share the wonder of winter stars with someone special during our romantic Valentine’s stargazing adventure. This enchanting evening stroll combines astronomy education with Valentine’s Day Magic. Create lasting memories as families explore the night sky together, learning about the cosmos while enjoying quality time under the stars. This evening adventure concludes with hot cocoa and Valentine’s ...

$13

Couples Evening at the Nature Center

Hidden Oaks Nature Center 7701 Royce St, Annandale

(VA) (Fairfax County Parks) Enjoy a peaceful adults only visit to the nature center for Valentine’s Day. Meet animals and learn about their dating and mating habits.  A fun activity and a special treat complete your nature-themed holiday celebration. Each attendee must register individually. Adults.

$10