The SR-71 is just an amazing plane.
The story of it being built and flown are the stuff of legends.
If you are into planes in anyway at all, this is worth your time;
http://sploid.gizmodo.com/rare-photos-of-the-sr-71-blackbird-show-its-amazing-his-1670184930
The SR-71 Blackbird is, without a doubt, the most advanced airplane ever built in relation to the technology available at the time. It broke all aviation records, it flew incredible missions, and it became the stuff of legend. Lockheed Martin published its history in this collection of high resolution scans of old photos.
