DECLARATION DAYS -- Today-Monday, 11 a.m.-5:30 p.m. A two-day celebration of the nation's 229th birthday featuring children's activities, colonial music and performances. Includes a dramatic reading of the Declaration of Independence Monday at 10 a.m. National Archives, 700 Pennsylvania Ave. NW. Free. 202-501-5000.

RED, WHITE AND BLUE CELEBRATION -- Monday, 8 a.m.-5 p.m. At the home of the first president: 18th-century music, a performance by the National Concert Band of America and birthday cake. Mount Vernon, southern end of George Washington Parkway. $11, seniors $10.50, children 6-11 $5, 5 and younger free. 703-780-2000.

A ROCKIN' SUMMER OF SIGN -- Tuesday-Friday at 10 and 11:30 a.m. Quest Arts4All, a nationally touring sign language company, performs popular songs in American Sign Language, mixed with dance, mime, poetry and more. S. Dillon Ripley Center, Discovery Theater, 1100 Jefferson Dr. SW. $5, children $4. 202-357-3030.

S.I. FOR KIDS NO LIMITS 2005 TOUR -- Tuesday-Wednesday at 11 a.m., 1 and 3 p.m. The magazine sponsors a live aerial bike and skateboard show with vertical BMX rider Joe Tecca, flatlander Trevor Meyer, vertical ramp rider Austin Coleman and skateboarder Rodney Mead. Six Flags America, 13710 Central Ave., Largo. $28.99-$38.99. 301-249-1500.

STAR SPANGLED SATURDAY -- Friday at 10 a.m. and noon. A tour of the grounds with lessons on American heroes such as George Washington and opportunities to create a patriotic craft. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. $6. For reservations, call 202-537-2934.