Prices listed where available.
RICK BLONDO Friday at noon. Blondo discusses the history and architecture of the National Archives Building. National Archives, Constitution Avenue and Seventh Street NW. 202-357-5000 or http:/
GARDEN TOURS Saturday at 9 and 11. Tours of the Kenilworth flower gardens. There is also a tour of nearby Eastland gardens at 10 and a junior gardener program at 12:30. Kenilworth Aquatic Gardens, 1550 Anacostia Ave. NE. 202-426-6905 or http:/
ART IN THE GARDEN FESTIVAL Saturday 10 to 3. Learn about plants and their relation to music. U.S. Botanic Garden, 100 Maryland Ave. SW. 202-225-8333 or http:/
BUILT FOR BETTER HEALTH: IMPROVING MAN-MADE ENVIRONMENTS Saturday 11 to 5. Learn about the environments we build for ourselves and how they affect our health. Koshland Science Museum, Sixth and E streets NW. 202-334-1201 or http:/
MEALS FOR TODDLERS Saturday at 11. Chef de cuisine Travis Timberlake will explain the benefits of preparing homemade food for toddlers, including how to make nutritious foods into fun shapes like dinosaurs. The Liaison Capitol Hill, Art and Soul, 415 New Jersey Ave. NW. 202-393-7777 or http:/
HOLLYWOOD ON THE C&O Saturday at 12:15. The C&O Canal has provided a backdrop for numerous scenes in famous films. Join a park ranger for a tour of the sites. C&O Canal Visitor Center, 1057 Thomas Jefferson St. NW. 202-653-5190. Free.
GOOD SCENTS Saturday 1 to 4. Learn how to make a nosegay in the National Herb Garden. U.S. National Arboretum, 3501 New York Ave. NE. 202-245-2726 or http:/
THE SENSUAL S Saturday at 1. Explore the "S" curve with Daniel Phoenix Singh and the Dakshina Dance Company in the Sackler Pavilion. Arthur M. Sackler Gallery, 1050 Independence Ave. SW. 202-633-4880 or http:/
TIED, BALANCED, ALTERED AND UNRAVELED Saturday at 1. A family-friendly tour of Jean Shin's "Common Threads" exhibit. Recommended for ages 6 to 8. Smithsonian American Art Museum, Eighth and F streets NW. 202-633-1000 or http:/
TRAINS! Saturday 1 to 4. A family day of model train activities. National Postal Museum, 2 Massachusetts Ave. NE. 202-633-5555 or http:/