All Day

Christmas Bird Count

Meadowside Nature Center 5100 Meadowside Lane

(DMV) (Audubon) (Montgomery Parks) Get ready to brave the cold for a great cause! Join Meadowside Nature Center’s team for Audubon’s annual Christmas Bird Count, a nationwide effort taking place from December 14 through January 5. You’ll join tens of thousands of volunteers across the nation in this long-running wildlife census, collecting critical data that helps assess the health of ...

Ongoing

Winter Walk of Lights at Meadowlark

Meadowlark Botanical Gardens 9750 Meadowlark Gardens, Vienna

(VA) (NOVA Parks) Meadowlark’s Winter Walk of Lights is an elegant garden trail aglow with countless sparkling lights. Take an evening stroll through the enchanting Meadowlark Botanical Gardens, adorned with lighted trees and displays featuring nature, winter, and holiday themes. The half-mile paved trail is wheelchair and stroller accessible. Sip on a cozy, hot beverage (with or without spirits), or ...

$20

Bull Run Festival of Lights

Bull Run Regional Park 7700 Bull Run Drive, Centreville

(VA) (NOVA Parks) Every year from November until just after New Year’s Day, you can experience the Bull Run Festival of Lights, 2.5 miles illuminated by holiday light displays. Drive the festival route from the comfort of your car. This year, don't miss the carnival at the end of your drive for holiday shopping, a petting zoo, and more festive ...

$32 – $80

Zoo Lights

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

(DC) (Smithsonian National Zoo) Celebrate the holidays at ZooLights! Enjoy twinkling lights and a festive atmosphere as this beloved winter classic returns to the Smithsonian's National Zoo. Journey through magical displays of glowing animal lanterns, watch live musical performances, sip hot cocoa and other festive treats, and explore the Zoo under the dazzling glow of one million environmentally-friendly LED lights. ZooLights ...

Free – $9

Garden of Lights at Brookside

Brookside Gardens 1800 Glenallan Avenue, Wheaton

(MD) (Montgomery Parks) Let the magic begin! Tickets are now on sale for Brookside Gardens’ dazzling Garden of Lights — where winter nights sparkle with more than a million twinkling lights. The Garden of Lights display transforms Brookside Gardens into a magical winter wonderland. Stroll through the one-half mile, outdoor, walk-through exhibit and enjoy the twinkling lights and glimmering one-of-a-kind ...

$16 – $19

Season’s Greenings: Dino-Mite!

US Botanic Garden 100 Maryland Ave SW, Washington DC

(DC) (US Botanic Garden) Celebrate the holiday season in our annual holiday display “Season’s Greenings” with the Conservatory full of poinsettias, holiday decor, and D.C. landmarks made from plants. In the outdoor gardens, find festive lights and decor throughout plus our model train show. This year, G-gauge model trains will chug through displays of dinosaurs made from plant parts, including ...

Winter Festival at the National Arboretum

US National Arboretum 3501 New York Ave NE, Washington DC

(DC) (Friends of the National Arboretum) Get in the holiday spirit at the National Arboretum! FONA’s Winter Festival returns this year. Buy your Christmas tree and shop from 30+ local artisans in the gift vendor village, take a holiday train ride around the Capitol Columns, and enjoy free family-friendly activities! There will also be plenty of hot chocolate and caroling ...

Sunday Morning Bird Walk at Dyke Marsh

Dyke Marsh Alexandria

(VA) (Friends of Dyke Marsh) Join FODM for a bird walk every Sunday at 8 a.m. The Dyke Marsh Wildlife Preserve is a freshwater, tidal marsh on the Virginia side of the Potomac River in Fairfax County. It is a unit of the George Washington Memorial Parkway, U.S. National Park Service.

Free

Seed Cleaning at Earth Sangha

Earth Sangha 51011 Backlick Rd, Annandale

(VA) (Earth Sangha) Help Earth Sangha clean and prepare native seeds for spring planting. Seed cleaning will take place every Sunday through the winter.

Invasive Plant Removal at 630 West

Reservation 630 West 3031 Sedgwick Street Northwest, Washington

(DC) (Rock Creek Conservancy) Join Rock Creek Conservancy and Rock Creek Weed Warrior Leader Kathy Sykes 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. This event is part of an area-wide volunteer-powered effort to ...

Free

Exhibit: Dazzling Diversity

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

(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 ...

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 ...

Weed Warrior Workday at Long Branch

Sligo Creek Stream Valley Park, Sligo Creek Trail, Long Branch Stream Valley Park, Long Branch Trail 20700 Martinsburg Rd, Dickerson

(MD) (Montgomery Parks) Join James, Weed Warrior Supervisor, for a non-native, invasive plant removal workday in Long Branch Stream Valley Unit 1 (between Piney Branch Rd and Carroll Ave), in Takoma Park, MD. More details, including the exact meeting location, will be emailed to you after you register. We will focus on non-native, invasive vines, especially porcelainberry (Ampelopsis glandulosa var. ...

Search for Santa’s Critters

Potomac Overlook Regional Park 2845 N. Marcey Road, Arlington

(VA) (NOVA Parks) Santa’s animal friends are lost in the park and need rescuing! Join this festive scavenger hunt to locate the critters so they can help Santa deliver candy and treats in time for the holidays! This event is appropriate for families and children of all ages.

$5

Wild Forest Time

Black Hill Discovery Center 20926 Lake Ridge Drive, Boyds

(MD) (Montgomery Parks) Do you dream of building forts in the woods or climbing a tree? Maybe you want to learn about woodland critters or create some art in the woods. Join us for a time to explore the woods how you want to. We’ll supply some materials and a space to create and explore, you supply the imagination and ...

Native Seed Cleaning & Viewing Party

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

(VA) (Arlington Parks) Sort, sift, pick and socialize! Join us to help us sort and clean native seeds while checking out some nature videos. Clean seeds will be shared for free in the spring.

Flying Squirrel Campfire

Hidden Oaks Nature Center 7701 Royce St, Annandale

(VA) (Fairfax County Parks) Enjoy an evening around the campfire, toasting marshmallows over the embers and learn about flying squirrels that live in our area. Cancelled in case of inclement weather. Children must attend with an adult and all attendees must register. Ages 4 to Adult.

$10