On Oct. 21 and 22 from 9 a.m. to 5 p.m., enjoy fall activities with the whole family at George Washington’s Mount Vernon. Take a wagon ride, learn about wheat treading in the 16-sided barn, and witness 18th-century dancing, blacksmithing, and corn husk doll demonstrations. Play early-American games. Walk through a straw bale maze. Listen to 18th-century music. Fall Harvest Family Days is included in Mount Vernon’s general admission of $20 adults; $10 youth. George Washington’s Mount Vernon, 3200 Mount Vernon Memorial Hwy., Mount Vernon, VA. MountVernon.org.