Water cascades from the southern end of the reservoir that once supplied drinking water to Manhattan. (Susan Spano / LAT)
The 251-room Mohonk Mountain House, in an architectural style that could be called Craftsman Eclectic, was built in sections between 1879 and 1910. (Susan Spano / LAT)
The Gothic Revival Lyndhurst mansion in Tarrytown, N.Y., was once the home of robber baron Jay Gould. (Susan Spano / LAT)
