If You Had A $1 Billion Net Worth, What Would You Own?

I created a topic like this but about if someone rich came on, and TurboGuy said something and it gave me the idea to create a thread specifically for the topic. If you had $1 billion worth of cash/assets, what would you own or buy?

Here are my choices:
A car collection of about 8+ cars (muscle and sports cars)
A house in Mass or New York:
NEW YORK: N/c Betsy Ross Ct, S.setauket, NY 11720 | MLS #2828653 | Zillow
MASSACHUSETTS: 440 Concord Rd, Bedford, MA 01730 | MLS #71953211 | Zillow PREFERRED

I'd probably own a yacht and a small home in Florida for fun. Who cares, I'm filthy stinkin' rich :D

What would you guys buy or own? ;)