The folder should open up: you’ll see the images include National Geographic, Aerial, Cosmos and Nature patterns shots.Tap Command and your Space bar and look for the Default Collections folder in the search bar that appears.This super-hidden collection may seem familiar if you’ve changed your Screensaver recently, but if you follow these tips you will also be able to use them to jazz up your Desktop. Had you forgotten about Apple’s semi-secret stash of beautiful Desktop pictures? I had, until a chance glance some of my older articles reminded me of these beautiful National Geographic (and other) images.