Some families collect stamps. Some collect vinyl records or even antique furniture.
This father and son collect vintage and rare performance cars, with a combined value in the tens of millions of dollars.
Paul Andrews of Fort-Worth Texas, has always been a fan of the classics, but his son Chris grew up preferring hot rods.
Over the years, they've grown two separate collections, but recently decided it was time to bring them together and sell (nearly) the whole lot.
From the dual Ferrari 400 Superamericas, to the ultra cool, custom electric bike created for Tron, we think just about everyone will find something to spend their hard earned millions on.
We've included a number of these beasts here, or you can check out the rest via this listing at Sotheby's.
Or, if you've already got the wallet out, you can watch and bid live right here.