Now through November 9 Kids Euro Festival. Kids ages 2 to 12. Dates and times vary. Kids Euro Festival is a celebration of European arts and culture for kids and their families, with more than 80 free and exciting events - performances; movies; workshops; and more - from all 28 EU member states! FREE Various locations, Washington, DC.

October 31 Green Halloween Costume Party. All ages. 1 to 3 p.m. School's out, so join us for a spook-tacular time of showing off your "green" imagination. Make your best Halloween costume from reused or recyclable materials and join us for a party. Prizes for the best costumes and use of reused or recycled materials. We'll end the party with a campfire and s'mores. Preregister. $$ Black Hill Visitor Center, Boyds, MD.

October 31 Leesburg Kiwanis Halloween Parade. All ages (family-friendly event). 6 to 8 p.m. Police, and fire and rescue units, high school marching bands, floats, horseback riders, walking units, decorated vehicles, politicians, and others will once again pass out candy as they parade down the 1-mile route. FREE Ida Lee Park, Leesburg, VA.

October 31 Monster Mash Bash. All ages (family-friendly event). 7 to 9 p.m. Join us for this Family Costume Party with games, crafts, and dancing. FREE Mid County Community Rec Center, Silver Spring, MD.

November 1 Fall Fest. All ages (family-friendly event). 10 a.m. to 2 p.m. Games, crafts, demonstrations, music, food, puppet plays, craft sale and more! Bring the whole family! FREE Potomac Crescent Waldorf School, Arlington, VA.

November 1 Huntley Harvest Festival. All ages (family-friendly event). 1 to 4 p.m. Find educational stations focused on the autumn season and how nature prepares for winter. Other activities include making animal masks and playing games such as pumpkin bowling and musical hay bales. Refreshments will be available, and kids can collect prizes at educational stations. $$ Huntley Meadows Park and Historic Huntley, Alexandria, VA.

November 2 Family Day. Kids ages 5 and under. Noon to 3 p.m. a fun-filled afternoon with cartoons and cupcakes centered around a dance party for kids. Designed by the team from Baby Loves Disco, both parents and kids will have a great time! FREE Artisphere, Arlington, VA.

November 2 Friendship Walks. All ages (family-friendly event). 10:30 a.m. to noon. Friendship Walks is a one mile, fun and peaceful rally around the National Mall to continue a region focus on ending homelessness in the D.C. area. Will feature speakers, the Retired NFL Players Association of Washington, D.C. and activities for the whole family. Registration online. $$ The National Mall, Washington, DC.

November 4 Family Geocaching Adventure. Kids ages 8+. 3 to 5 p.m. Modern-day treasure hunting happens right here in our parks! Geocaches are hidden containers filled with interesting stuff that you track down using GPS units. If you don't have a GPS unit, we'll have units for families to share. Preregister. $$ Meadowside Nature Center, Rockville, MD.

November 4 Nature Service Learning Day. Kids ages 10 to 14. 10 a.m. to 3 p.m. Spend the day investigating a local environmental issue while earning Student Service Learning hours. Participants will earn 3 SSL hours. Participants should dress for the weather, and bring a lunch. Preregister. $$ Croydon Creek Nature Center, Rockville, MD.

Pam Rynkowski