The city of Plano's Go Ape Zipline and Treetop Adventure will open March 12 at 5901 Los Rios Blvd just south of Oak Point Nature and Retreat Center. The two- to three-hourlong course will consist of rope ladders, 39 crossings, two Tarzan swings and five zip lines for participants 10 years of age and older. 410-787-2417. www.goape.com