8. Anonymous: Ferrari 250 Testa Rossa
As one of the most expensive cars ever sold, the Ferrari 250 Testa Rossa’s owner remains a mystery. With only 21 of these cars known to be produced, one sold for $16.4 million in 2011. In 2015, it was reported a 1957 Testa Rossa sold for a whopping $39.8 million. You would have to be a billionaire in order to purchase one of these babies and still keep it a secret.
7. Jeff Bezos: Space Rocket
The CEO of Amazon has invested some of his fortune into his very own space program. Worth a reported $82 billion, it’s no wonder Bezos is looking for innovative ways to spend his money. In fact, his Blue Origin space program is currently making headlines as it signs deals and successfully tests its rockets.