See story on Page 59. Climbing walls, cargo net courses and fly-fishing lessons are offered at the Outdoor Adventure Area, all day Friday through Sunday at Rash Field. Cooking demonstrations and samples of seafood, Friday and Saturday from 11 to 7 and Sunday from 11 to 5 in the Chesapeake Kitchen, at the Inner Harbor.
Admission is free.
The concert is a benefit for the McAuley Institute, which supports local efforts to create affordable housing. Admission and parking are free. Admission is free. The Arboretum is at 3501 New York Ave. Weekend will publish its annual guide to area summer entertainment on June 1.