SCANDALS, SCOUNDRELS, AND SCALLYWAGS -- Today at 12:15 p.m. Hear about the criminals of 19th-century Georgetown from an actor portraying real-life police officer Ernest W. Brown. C&O Canal Visitor Center, 1057 Thomas Jefferson St. NW. Free. 202-653-5190.

FISHING FOR SMALL FRY -- Thursday at 8 a.m. Ages 4-6. Tackle and bait is provided in this instructional workshop for young anglers. C&O Canal Pennyfield Lock, 11710 MacArthur Blvd., Potomac. Free. For reservations, call 301-962-1477.

FIRST THURSDAY IN DEL RAY -- Thursday, 6-9 p.m. A street festival with live music and family-friendly activities. Mount Vernon Avenue, Del Ray. Free. 703-683-2570.

TRAINS AND PLANES -- Saturday-Sept. 5, 10 a.m.-5 p.m. An exhibit of miniature tunnels, depots, villages and model trains. The National Capital Trackers, the area's largest club for model train enthusiasts, displays and runs its extensively detailed model railroad in the museum's main gallery. College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. $4, seniors $3, students and children $2. 301-864-6029.

COLONIAL WASH DAY -- Saturday, 1-4 p.m. Participate in wash day with an 18th-century farm family: Help scrub the family's clothing with handmade soap and hang clothing to dry in the orchard. The Claude Moore Colonial Farm, 6310 Georgetown Pike, McLean. $5, seniors and 12 and younger $2.50. 703-442-7557.

GOODNIGHT MR. LINCOLN -- Saturday at 7 p.m. Ages 4-9. Learn why our 16th president grew a beard, the size of his humble log cabin, what his pajamas were like and more in this hour of stories and games. Lincoln Memorial, 301 Seventh St. SW. $10, 12 and younger $5. 202-484-1565.

HYRONOMOUS A. FROG, THE FROG PRINCE -- Through Sept. 4. Adventure Theatre produces Edith Weiss's classic children's play. Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. $7. 301-320-5331.