|Wikimedia Commons has media related to Mysteries.|
|Pages in this category should be moved to subcategories where applicable.
This category may require frequent maintenance to avoid becoming too large. It should directly contain very few, if any, articles and should mainly contain subcategories.
"Mystery" is a loosely-defined term for either unsolved problems (especially unsolved crimes) and for the (alleged) "paranormal".
Please do not place articles here because a topic "has been described as" "a mystery".
use one of the following categories:
allegedly (according to widely known popular literature) "paranormal" mysteries
fictional or artificial mysteries
problems with known solutions