The Emerald Necklace: Boston Common, Public Garden, Comm. Ave., Fens, Jamaica Pond, Arnold Arboretum, Franklin Park Boston, MA Along the Water | Gorgeous Residential | Historic / Tourist | Iconic | Parks | Arboretum/Botanical Garden | Foliage | Iconic Parks | Olmsted A greenway originally conceived by Frederick Law Olmsted, running 10 miles from the State House to Franklin Park. Highlights include the Comm. Ave Mall, Fens, Jamaica Pond, Arboretum, and Franklin Park. Explore