The photo you see above -- the default wallpaper for Windows XP -- is probably the most recognizable image in the world. What you probably didn't know is that it's a real photo, called Bliss ...

Indeed, it still is. According to Instagram account Inside History, the Windows XP wallpaper image was taken in 1996 by photographer Charles O’Rear. It was acquired by Microsoft some time ...

One of the main highlights of Windows XP was the Bliss wallpaper, which featured a grassy hill and a deep blue sky with a few ...

The picture known as "Bliss" soon became one of the most viewed photographs in the world when it was set as the default desktop background in Windows XP. O'Rear took the photo on film with a ...