Brown stumbled upon the image while using a hex editor tool called Hex Fiend with Eric Harmon's Mac ROM template to explore ...

While renovating a 200-year-old academy building, workers found a treasure trove of secret notes and doodles from students in the early 1800s.

Secret passageways to history 04:06. Secret passageways, trap doors and hidden rooms were standard in some of your favorite mystery series – like "Scooby-Doo" or Nancy Drew. You probably saw ...