The `National Treasure` actor - who has been forced to put several of his properties on the market after failing to pay millions of dollars of tax - filed a lawsuit in October claiming Samuel Levin, his former manager led him "down a path of financial ruin".

The 45-year-old American actor - whose films have grossed a collective $3.9 billion - owes $6 million in back taxes from 2007 and it is only now his extravagant purchases have come to light.

The most bizarre purchase was in 2007 when he outbid `Titantic` actor Leonardo DiCaprio for a $276,000 skull claimed to be from a prehistoric beast.

He also owns a jet, two yachts, three castles, two islands in the Bahamas and a number of mansions.

His most expensive car - out of a fleet of 50 - was a $495,000 Lamborghini whose former owner was the shah of Iran.

Cage is a superhero fan - he had to sell his comic collection in 1997 for $1.6 million - and even named his son Kal-El, four, after the Man of Steel.
sections: Celebrities