boldt castle, a major landmark and tourist attraction, is located in the thousand islands region of new york on heart island in

american architecture beautiful boat boldtcastle building canada canadian castle cloud coast famous front gothic green heartisland history horizon island landmark landscape large love naturallandscape nature newyorkstate nopeople noperson old outdoors resources river saintlawrenceriver shoreline sky stone summer sunbeams thousandislandsregion tourism touristattraction tower travel tree vane vertical view water watercourse waterfront weather