New York World's Fair featured in NYTimes today,
and as I worked there as an information person, its quite memorable!
http://www.nytimes.com/interactive/2014/04/20/nyregion/worlds-fair-1964-memories.html?_r=0
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and I remember going 
I recently scanned the few photos I have from the trip. One has a little dinosaur, about the size of a dog, another has the famous globe with the flying saucers behind it. And since we were from Florida, Dad dragged us through the Florida exhibit 
Since we also went to Washington DC on the same trip and I got one whole roll of film for the entire trip, I didn't take many pictures. I wish I had more!
I'll have to see if I can find some pix. Two things that I remember are having lunch at a place that had a 7-Up fountain and taking a "boat" ride through the "It's a Small World" exhibition with my mother and brother while my Dad went and had a beer. 