Value: $248.5 million
Details: This 29-bedroom home sits on 63 acres and has its own power plant. Inside, there are 39 bathrooms, a basketball court, bowling alley, squash courts, tennis courts, three swimming pools, and a 91-foot long dining room.
Owner: Ira Rennert—Owner the Renco Group, a holding company withinvestments in auto manufacturing and smelting. He also has holdings in metals and mining.
Location: Cote D’Azure, France
Value: $750 million
Details: This 50-acre estate includes “a commercial sized green house, a swimming pool and pool house, an outdoor kitchen, helipad, and a guest house larger than the mansions of most millionaires,” according to Variety. The house was famously used as a set in the 1955 Hitchcock classic To Catch a Thief.
Owner: Lily Safra—A Brazilian philanthropist and widow of Lebanese banker William Safra. Her husband died when another one of the couple’s homes burned down, apparently due to arson.