Grand Canyon Caverns on Route 66 near Peach Springs, Arizona, will be the subject of an episode of the Travel Channel's "Ghost Adventures," according to the Kingman Daily Miner. Route 66 Paranormal Investigators, based in Kingman, worked with show host Zak Bagans and a film crew for about a week at the caverns. The episode … Continue reading TV show goes ghost-hunting at Grand Canyon Caverns