Garden Tour. 10 a.m. to 4 p.m. Visit some of the most fabulous private gardens in the Bethesda and Chevy Chase area at the height of the gardening season. Join Brookside Gardens for its second annual private garden tour for your only opportunity to visit several extraordinary, designer showcase properties — guaranteed to provide inspiration to the most avid gardeners and designers as well as garden hobbyists. Pre-register through www.ParkPASS.org. Visit one garden for $5, course # 202399, three for $15, course #202400 or all eight of the gardens for $20, course # 202401 on this exclusive tour, including one designed by Oehme van Sweden & Associates. Visit www.brooksidegardens.org or call 301-962-1402. Check-in location is McCrillis Gardens, 6910 Greentree Road, Bethesda.