Dave Muraca and Allison Ellis with the George Washington Foundation preview Presidents’ Day at Ferry Farm, coming up February 16 from 10 a.m. to 3 p.m. The event features free parking, house tours, colonial games, a chance to throw a stone across the Rappahannock River, and cupcakes. Admission is $5 for adults and free for children 17 and under. More information is available at kenmore.org.