Where: New York's Ossining Year: 1927 Price: $3.2 million Constructed in the late 1920s, the Elda Castle was once known as the Elda Estate. The castle was constructed by David Abercrombie, one of the founders of Abercrombie & Fitch. Built over sixteen years, from 1911 to 1927, Elda occupies sixty acres. Elda is built in the manner of the English cottage.
Where: Australia's Sydney Year: 1911 Expense: $68.03 million SS Corriman, a 1.14-ton steel warship built in the UK in 1911, was the ancestor of SS Ayrfield. After being converted into a steam collier, the warship SS Corriman served as a supply ship for American forces stationed in the Pacific. The SS Corriman was renamed SS Ayrfrield following the end of World War II. Its builders had no idea that it would transform from a warship to a floating forest.