Spring Farm Festival
The Spring Farm Festival celebrates Montgomery County agriculture, past and present. Get a taste of farm life with such activities as planting crops, whitewashing a fence and working a sheepdog. Tunesmythe and the Cider Press Boys provide the musical entertainment. There also is an archaeological dig with professional archaeologists. 11 a.m.-4 p.m. Saturday. Agricultural History Farm Park, 18400 Muncaster Rd., Derwood. $10 per car includes a passport for free activities. $15 for 15-passenger vans and $20 for buses. 301-924-4141, or www.mc-mncppc.org.
Taste of Wheaton
Sample foods from around the world ($1/taste), enjoy free children's rides and listen to music by the Biscaynes. The Wheaton Volunteer Rescue Squad provides demonstrations. The Humane Society's Adopt-A-Pet mobile will also be at the event. 11 a.m.- 5 p.m. Sunday. Grandview Avenue and Reedie Drive, Wheaton, 240-777-8120 or www.wheatonmd.org.
More than 200 booths will be at this year's Gaithersburg Antique and Collectible Show, selling a variety of items including books, rugs, linens, jewelry, paintings and Americana. 10 a.m.-5 p.m. Saturday., 10 a.m.-4 p.m. Sunday. The Antique Appraisal Fair is from 11 a.m. to 4 p.m. Saturday, with a $5 fee for each item appraised. Montgomery County Fairgrounds, 16 Chestnut St., Gaithersburg. $5 admission, good for both days. 301-216-0876 or www.johnsonshows.com.