Park(ing) Day is an international celebration of alternative street design, which started in 2005 when Rebar, a San Francisco art and design studio, converted a single metered parking space into a temporary public park in downtown San Francisco. Now it's a worldwide phenomenon, and today New Yorkers will transform more than 30 boring parking spots into temporary parks. — gothamist.com

Leading Mexican architect and landscape urbanist Iñaki Echeverria just unveiled his newest project which when completed, will be the largest urban park in the world. Dubbed El Parque Ecologico Lago de Texcoco (Texcoco Lake Ecological Park), the wide, open development will encompass more than 35,000 acres of space – which is 41 times larger than New York’s Central Park. — Inhabitat