The Brookside Children's Garden is part of the Wheaton regional park in Maryland. Probably the most interesting feature of the garden, is the tree house pictured above. It is constructed of recycled material. Kids can climb the stairs, then play with wooden blocks or construct things with other natural materials.
The garden also features a gnome hut, where kids can follow stepping stones to a tea party, and a water garden, where kids can observe frogs and other assorted water creatures.
The Brookside Chidren's Garden is open daily from 10 AM to 5 PM. Admission is free.