If you had a billion dollars: What are some truly bizarre or weird or eccentric things you would do?

Aha, found another of the historical threads I was thinking of:

Bonus points for consistency, such as @Lumpy’s Mjolnir and @Moriarty’s love of expensive watches and travel sized elephants.

In terms of bizarre from that one, I had to mention @Elmer_J.Fudd’s apparently heartfelt but quite random mention: