I’d buy three mansions. One in the Northeast US, one in Finland, and one in Chile, down south where they get lots of sunlight in December. Each would be in a scenic location, with access to hiking trails. The one in the US would be readily accessible by public transit from either NYC or Boston, the one in Finland would be easy to get to from Helsinki.
Each would have a dance hall, for square dancing and similar dances, lots of guest rooms, a large kitchen to feed the guests, and a small kitchen for when it was just me and my family, and a well-paid full-time staff. And sure, I’ll try to buy citizenship in both Finland and Chile.
The US house would have lots of hidden passageways and secret rooms. Some would be hidden even from the staff. Somewhere, there would be a wardrobe opening into a forest. I’d also create an endowment, to keep it operating as an occasional square dance hall after my death. I might do the same for the Finnish one, depending on how popular my dances there prove to be.
Both the US and Finnish house would have views of water, but be on high enough ground that i didn’t have to worry about flooding. All three houses would be full of beautiful woodworking and large windows.
I’d also buy a private jet and keep a pilot on retainer so i could travel freely among my houses.