I'd do at least a few different things. For one I'd get some land and operate a dog and horse rescue with my wife. I'd handle dogs, she'd handle horses. Maybe also do some boarding to help it not be a total money pit.
Plunk as much as possible into tax-deferred investment like IRA. Plunk a ton more into big, boring, safe, dividend-paying stocks. Let the juice run.
Go skiing.
Set up a charitable trust that could generate money for a very long time. Not sure what the charity would be. Maybe it could be several things.
Build a new house to look Victorian. Put cool hidden rooms and secret passages in it. Kick myself years later when I could NEVER find my kids when I needed them.