Whether its stories in entertainment including cliffhangers and ambiguous endings, infamous unsolved crimes, unsolved mysteries in History, or vast other questions that persons still desire greatly to know the answers.

Original Inspector Gadget Cartoon
What does Claw look like? He's never fully shown in the original cartoon.

How the hell did the Egyptians move heavy blocks to build the pyramids? The blocks are to damn heavy for a group of humans to move them, and they had no machines that could help them.