Now that we have kids we back up our photos in multiple places, but we also make sure to print out the ones we really like, just in case. The really good ones we print on canvas and hang on the walls.
But it's true, most of records would be lost if there were a global cataclysm that took out all digital records. That being said, I'm pretty sure our mortgage is only digital so at least we would own our house free and clear!