Margaret Carnegie Miller. Concierge Auctions says from 2000 to 2004, it was renovated and restored into "the distinguished estate it is today." The 34,000-plus-square-foot castle has 10 bedrooms ...

A castle-like mansion in Millbrook, New York, that was built for Andrew Carnegie’s daughter is headed to auction next month after spending a few years on and off the sales market. The stone ...