Ward's Castle
... that Ward's Castle , on the state line between Rye Brook, New York and Greenwich, Connecticut, is believed to be the first reinforced concrete building in the United States?
... that <b id="mwC1Y"><a href="./William_E._Ward_House" id="mwC1c" rel="mw:WikiLink" title="William E. Ward House">Ward's Castle</a></b> <i id="mwC1g">(pictured)</i>, on the state line between <a href="./Rye_Brook,_New_York" id="mwC1k" rel="mw:WikiLink" title="Rye Brook, New York">Rye Brook, New York</a> and <a href="./Greenwich,_Connecticut" id="mwC1o" rel="mw:WikiLink" title="Greenwich, Connecticut">Greenwich, Connecticut</a>, is believed to be the first <a href="./Reinforced_concrete" id="mwC1s" rel="mw:WikiLink" title="Reinforced concrete">reinforced concrete</a> building in the United States?