5k after hours archaeology; history; festival; free; kid-friendly art art sale arts arts and crafts auction autumn band Barns-Brinton House battle of brandywine BBC beer beer garden bees Betty and The Bullet breakfast Breast Cancer brunch byo camping CFHS chadds ford Chadds Ford Days chadds ford historical society Chester County Historical Society children chiropractor Christmas Community conservation crafts cultural history design documentary drinks Easter environment escape room estate tour Events exhibit fall family family friendly farm stand festival field trip film flowers follies food food trucks fruits full moon fundraising galleries game games gaming garden gardening gardens ghost ghost tour halloween Hanks health helicopter hike hiking historic house history History on Tap history talks Holiday invasive plants John Chads House kid friendly kids landscape lawn lawn weeds lecture library live music local local artists Local history meditation military Museum museum exhibition music Nate Simms native plants Natural Lands Trust nature nightlife NLOL Northern orchids outdoors owls Pennsbury Land Trust performance photography plants plein air pollinators pumpkin carve pumpkins revolutionary war Seasonal shrubs slavery special event spring spring wildflowers T'ai Chi T'ai Chi Chih tavern Tavern Talks Terrain tour trees trucks tweens Tyler Arboretum vegetables veterans visual art walking water wellness wine Winterthur After Hours Winterthur Museum workshops wreath wyeth yoga