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The Octagon, a landmark building on Roosevelt Island in Manhattan

The Octagon is a landmark building on Roosevelt Island in Manhattan. It served as an administration building in 1841 and was converted to a general hospital in 1894. It was later listed on the National Register of Historic Places in 1972 and was restored and converted to condominiums in 2006.

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Filename: The Octagon Building on Roosevelt Island
Copyright: © Ellen McKnight
Image Size: 2610x3929 / 3.8MB; http://www.ellenmcknight.com; Octagon landmark eco-friendly green design building condominium apartment residence home historic National Register of Historic Places Roosevelt Island Manhattan island rotunda New York City New York United States Northeast North America vertical architecture
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The Octagon is a landmark building on Roosevelt Island in Manhattan. It served as an administration building in 1841 and was converted to a general hospital in 1894. It was later listed on the National Register of Historic Places in 1972 and was restored and converted to condominiums in 2006.