Manhattan's oldest public building in continuous use: St. Paul's Chapel, New York City

http://farm8.staticflickr.com/7377/9185067659_bb5c1301e9_m.jpg

Phil Marion has added a photo to the pool:

via Destinations around the world - The travel group Pool http://www.flickr.com/photos/phil_marion/9185067659/in/pool-844972@N25