They were once some of the most advanced structures and facilities on the planet, standing at the cutting-edge of design and construction. Today they are abandoned, dangerous, some of them even deadly. From uninhabited cities to empty factories, these long-forgotten engineering marvels are scattered around the globe. Science Channel uncovers why some of the world's most advanced architectural achievements were eventually left behind in the all-new series Mysteries of the Abandoned.
An abandoned system of caves was once the meeting place of a secret society that worshiped Satan and performed black magic, and new discoveries at this mysterious site reveal what really happened here and why a Founding Father was a frequent guest.
Watch Mysteries of the Abandoned Online - Buy, Rent, Download
Mysteries of the Abandoned is available to watch on Travel Channel. You can also buy, rent, download full episodes of Mysteries of the Abandoned on Amazon, Apple iTunes, VUDU, Google Play.
