Happy mid-October! We have plenty of cool places to spend your weekend, including …

Multicultural Career Intern Program (Columbia Heights Education Campus, 3101 16th Street NW)

Between 10:00 AM and 3:00 PM on Saturday, head over to MCIP’s 3rd Annual Booksale in support of the middle school and high school libraries at the CHEC — thousands of books in all genres at very reasonable prices.

Earth Sangha (at Occoquan Bay National Wildlife Refuge, 13950 Dawson Beach Road, Woodbridge, VA)

Help out with invasive plant removal, clearing invasive vines and grasses from Earth Sangha’s grassland site, from 10:00 AM to 2:00 PM on Saturday. Directions right here.

Alternative House — The Abused & Homeless Children’s Refuge (Emergency Shelter for Teens, 2100 Gallows Road, Vienna, VA)

On Saturday at 10:00 AM, come for Volunteer Information Session where you will find out more about how you can get involved in programs and services for homeless and at-risk youth and teen. This event is for age 18+ only. RSVP to (703 ) 506-9191.

Seabury Resources for Aging (at CCGH, 2501 18th Street NE)

Celebrate Christian Communities Group Homes’ 30th year of service to DC’s most vulnerable older adults on Saturday from noon to 2:00 PM with free zumba classes, refreshments, and an Open House — plus a Help the Homeless Mini Walk event.

Hospice Caring (at The Bolger Center, 9600 Newbridge Road, Potomac, MD)

Join Hospice Caring for its the 22nd Annual Gala on Saturday at 6:30 PM: an evening of dinner, dancing, and auctions. Guests are welcome to dress to the Roaring Twenties theme! Learn more about tickets here.

Potomac Conservancy (at C&O Canal National Historical Park)

Sunday from 10:00 AM to 4:00 PM marks the 4th Annual Potomac River Jam, a (free) full-day celebration of the natural beauty, culture, and history of the Potomac River and C&O Canal. Sample popular nature walks, enjoy local music and crafts, and take a canoe trip to Minnie’s Island.

L’Arche Greater Washington DC (at Ontario and Euclid houses, Adams Morgan)

Come meet the people of L’Arche and see L’Arche’s cozy homes at the annual fall open houses on Sunday from 2:00 PM to 4:00 PM. Further information about directions available here.

DC Youth Orchestra Program (at Eastern Senior High School, 1700 East Capitol Street NE)

Coming up on Sunday at 4:00 PM: DCYOP’s Intermediate Concert. Performance groups include the Concert Orchestra, Concert Wind Ensemble, Preparatory Orchestra, Prepartory Wind Ensemble, Intermediate D Orchestra, Intermediate C Orchestra, and Intermediate Wind Ensemble.

Also! On Sunday morning at 8:00 AM, three CFP non-profits will take part in the Acumen Solutions’ Race for a Cause 8K and 1-Mile Fun Run: Greenbrier Learning Center, For Love of Children, and the Literacy Council of Northern Virginia. If you run or walk, you can choose with non-profit to benefit. Or you can come and cheer at North Quincy Street in Arlington!