What mysterious images are hidden in the pictures below? Stare at each one, trying to focus your eyes beyond your screen, as if you are trying to peer into the inner workings of your monitor. If you can do it successfully, you'll see a three-dimensional picture appear. If you give up, click to see the secret image.

What's buried in the desert sand?

What is the other design on this Nubian temple?

Anything on this blank papyrus scroll?

What else is written on this wall?