All Day

National Cherry Blossom Festival

(DC) (National Cherry Blossom Festival) The National Cherry Blossom Festival commemorates the 1912 gift of 3,000 cherry trees from Mayor Yukio Ozaki of Tokyo to the city of Washington, DC, and celebrates the enduring friendship between the people of the United States and Japan. Today’s Festival now spans four weeks and welcomes more than 1.5 million people to enjoy diverse ...

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

Exhibit: Dazzling Diversity

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

(DC) (Smithsonian) 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 insects and their habitats, while showcasing ...

Capital Nature