If you spent hours in your childhood treehouse or still count Bridge to Terabithia among your fave books, don’t miss the arboretum’s award–winning, family-friendly exhibit, with its 450-foot-long, 50-foot-high walkway called Out on a Limb, a suspension bridge, a viewing platform, and rope netting to scramble across.

Tree Adventure at Morris Arboretum | 100 East Northwestern Avenue, Chestnut Hill, PA | 215-247-5777