
Hidden in Noe Valley, San Francisco, the park’s double concrete slide were created after a 14-year-old girl named Kim Clark, won a “Design in the Park” contest. Now locals of all ages love them for good free fun.
HOW: You know how. But a piece of cardboard or wax paper is highly recommended. Dress casual.
WHERE: Seward & Douglass, San Francisco, CA.
Note: I couldn't have described it better myself. Go here. Photo credit to its owner.