(©J. Fusco/Visit Philadelphia)
Founded in 1812, the academy is the oldest natural history museum in the Americas. Visitors can experience the feel of a live legless lizard, the awesome height of a T-rex and the flutter of a butterfly. Look for frequent educational demonstrations and events. $18-$29. M-F 10 am-4:30 pm, Sa-Su and holidays 10 am-5 pm.