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, Heart Island, St. Lawrence River, NY 13640, United States

Take a boat through the glassy inlets of the St. Lawrence River—it flows north, toward Montreal. In summer, alight at Heart Island, one of 1,865 islands here, where Boldt Castle, a full-scale Rhineland palace, was commissioned by the man who built the Waldorf Astoria hotel.

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Boldt Castle

Take a boat through the glassy inlets of the St. Lawrence River—it flows north, toward Montreal. In summer, alight at Heart Island, one of 1,865 islands here, where Boldt Castle, a full-scale Rhineland palace, was commissioned by the man who built the Waldorf Astoria hotel.