Go watch the Sturgeon spawn of coarse!
I've seen it on talked about on our local tv every year since we moved to the area - but we were always busy when they announced that the Sturgeon were in the rivers spawning. This year, due to the unusually warm weather they were spawning early and we were actually free to take a ride about 45 miles from our home to take part in the event. We weren't sure we'd be able to find the spot on the river where everyone went - but it became pretty obvious when we approached police directing traffic in the area that we found it!
And then as soon as they would appear - then they'd be gone.