Yet today, they stand derelict and exposed to the elements. Click or scroll through and take a look inside these abandoned mansions once home to the world's super-rich ...

Yet today, they stand derelict and exposed to the elements. Click or scroll through and take a look inside these abandoned mansions once home to the world's super-rich ...

Whether you want to experience the glamor of the Roaring '20s or see what life was like for a Soviet billionaire, this $85 million property on New York's Long Island has you covered. Built in 1928 ...