Since 2007, numerous severed human feet - typically wearing running shoes or hiking boots - have washed up on the coastline of British Columbia, Canada. Who do these feet belong to, where are they coming from, and why won't it stop?

In 1966 and 1967, rural West Virginia was plagued by sightings of "a large flying man" with wings and red glowing eyes. Local folklore dubbed the creature the "Mothman." Was the Mothman a harbinger of doom, or a warning from the future?

One morning in February 1855, residents of Devon, England awoke to find 40 miles worth of hoof-like footprints in the snow. Were the footprints made by a mysterious animal? Or were they left by - the Devil himself?

160 years after a doomed Arctic expedition, the wrecks of the HMS Erebus and the HMS Terror were located, but some in nearby Gjoa Haven fear the wrecks' dark legacy will resurface now that the ships' resting places have been disturbed.

When an unidentified radar blip was detected over Lake Michigan in 1953, First Lieutenant Felix Moncla Jr. was dispatched in an F-89 Scorpion to intercept. He disappeared without a trace.