After a (typically for New England) unexpected thunderstorm, I saw this big-ass rainbow just seconds before it disappeared. To get a better look at it, click on the image for the larger size. It's the biggest, or closest, rainbow I've ever seen. It was actually more vivid in real life but this ought to give you a sense of how large this one was.
Then, pfft! it was gone, like a lot of the best and most precious things in life.