- Liz Publika
Six Historic Works of Art by Famous Artists With a Great Sense of Humor: A visual essay

Turn it upside down, and all will be revealed.

Use a mirror, and be amazed!

Yep. Mirrors are useful.

Everyone's a critic.

Anything you can do, I can do better.

This guy is good!
Note* All works are in the public domain or available for fair use.