Openhousenewyork (OHNY), is a five borough–wide FREE celebration of architecture and design will take place on October 15 & 16 2011. OHNY Weekend, which is becoming a New York City tradition, engages the public in the built environment by offering free access to hundreds of sites that exemplify New York City’s diverse architectural, design, engineering, and cultural heritage. Join us in celebrating the 9th Annual OHNY Weekend, an unparalleled citywide celebration of New York City’s extraordinary architecture and design. From private residences and historic landmarks to rooftop farms and sustainable skyscrapers, OHNY Weekend offers you rare access and insight into hundreds of architecturally and culturally significant sites in all five boroughs. This annual weekend of urban exploration and architectural discovery also includes free talks; fun youth and family activities; and tours on foot, bicycle, and even by canoe. Join us in exploring and discovering the history, diversity and architecture of our city. Become inspired and enjoy your OHNY Weekend.