315 Chestnut Street. 215-925-2222 sciencehistory.org
 
Science is all around us: it’s in the water we drink, the air we breathe, and the earth beneath our feet. Visit and explore the amazing successes, astonishing failures, and strange surprises behind discoveries that have changed our world. Tuesday through Saturday 10am-5pm, and until 8pm the first Friday of each month. Free admission.