From Philadelphia Magazine's Hot Tickets

Things that should be on your radar in July

By Victor Fiorillo

Out On A Limb

You’ve probably seen the 92 acres of arboreal loveliness that are Morris Arboretum (and if you haven’t, shame on you!), but you’ve certainly never seen them from 50 feet up in the air. The new, permanent treetop installation Out On a Limb: A Tree Adventure debuts July 4th.