The Eternal Darkness Tour is a fictional event featured in the FX Network television series American Horror Story. It is associated with season one of the show, billed under the subheading of "Murder House". The Eternal Darkness Tour appeared in the third episode of the season, which was also called "Murder House". The Eternal Darkness Tour was based out of Los Angeles, California. It was a bus-riding tour that spotlighted the most haunted areas of the city. Its most famous stop was at the notorious "Murder House", which was the site of numerous gruesome murders over the course of several decades, and was reputed to be the most haunted house in all of the city. The tour guide on the bus was a man named Stan. Homeowner Vivien Harmon, having only recently purchased the house herself, took the tour so she could learn more about the house's dark past.