The ancients recorded their knowledge on scrolls, artifacts, and even cave walls. In some cases, the passage of time has erased our ability to understand a disused alphabet. In other cases, knowledge is purposely encrypted in complex codes understood by only a select few.
There are many such ancient writings, pictographs, and ciphers that still defy understanding. Whenever one is cracked, it almost always yields exciting new information. Here are 10 decoded books, paintings, scrolls, and artifacts that allow us an unprecedented glimpse into the secret societies, lost libraries, beliefs, and rituals of Antiquity.