Boldt Castle on the Thousand Islands was built by U.S. millionaire George C. Boldt for his wife, Louise. When she died suddenly in her early 40s, he abandoned the project and never returned. (Photo: Courtesy of Boldt Castle)
Boldt Castle on the Thousand Islands was built by U.S. millionaire George C. Boldt for his wife, Louise. When she died suddenly in her early 40s, he abandoned the project and never returned. (Photo: Courtesy of Boldt Castle)