Smallpox Hospital
... that the former Smallpox Hospital on Roosevelt Island is New York City's only landmarked ruins?
... that the former <b id="mwEEM"><a href="./Smallpox_Hospital" id="mwEEQ" rel="mw:WikiLink" title="Smallpox Hospital">Smallpox Hospital</a></b> <i id="mwEEU">(pictured)</i> on <a href="./Roosevelt_Island" id="mwEEY" rel="mw:WikiLink" title="Roosevelt Island">Roosevelt Island</a> is <a href="./New_York_City" id="mwEEc" rel="mw:WikiLink" title="New York City">New York City</a>'s only landmarked ruins?