Includes new and revealing information about the mystery that surrounds this historic New York State landmark. Boldt Castle, on the border of New York State and the province of Ontario, is indisputably one of America's most magnificent mansions. This landmark of the Thousand Islands attracts millions of international visitors to the St. Lawrence River each year. A tragic history - the untimely death of Luisa Boldt and the abrupt halt of construction of the castle - abounds with folklore that has dramatized the mystery behind the family and their estate. This full-length account of the Boldts and their majestic buildings reveals startling new revelations, telling a lost story that revises the famous legend. Architectural historian Paul Malo's decades-long search for the lost story is recalled as a series of informal interviews with Boldt family members and others who have firsthand information, experiences, and personal impressions about the Boldts.