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.

Greek mysteries, strange phenomena and destinations that could qualify for an episode of "The X-Files" can be found all over ...

Prepare yourself for a countdown of your lifetime. The countdown of 'Top 15 Strange Unsolved Mysteries Filled with Surprises' encompasses a set of baffling stories that leave the audience astonished ...