Donald Trump's magnificent Mar-a-Lago estate hides many secrets, hosting some of the world's most famous and controversial figures over the years. Now it's the new HQ of Trump's post-presidential political career and two tell-all books detail some of the strange workings of this Palm Beach club and private home. From health code violations to enormous bills footed by taxpayers and corruption investigations into its members, let's go through the keyhole and discover the little-known features of Florida's notorious instituition. Click or scroll on for more...