Oklahoma icestorm (I'm from there and I remember very well the massive ice storm from Pinner. I'm from there too and we had another major one in Thousands lost power including me for about 2 days, some went weeks without.
The beautiful windmills of the Netherlands- totally worth going to see. A little touristy, but are still fully functional mills. Try and see them in the warmer months so you don't freeze as it is rather windy out in the country