We're all fascinated by that eerie feeling that goes along with tales of unexplained sightings and people who vanish without a trace. Here are some of "Unsolved Mysteries'" most enduring puzzles.

GREENVILLE, S.C. (FOX Carolina) — As 2025 comes to a close, many Upstate families are hoping a new year will bring new answers about what happened to their loved ones. Some of these cases go back ...