Josh Gates shines a light on places darkened by the past, from a mysterious mansion connected to a haunted heiress in California to a colorful festival commemorating the death of a demoness in India.

Josh Gates shares five locations where the natural and supernatural worlds can be explored, including a haunted asylum in upstate New York and an underground cathedral built entirely of salt in Poland.

From West Virginia's secret underground government bunker to a Japanese town that survived a massive tsunami, Josh Gates highlights legendary locations where the end of the world is just the beginning.