Sasquatch. The Wild Man. Bigfoot. Believers in the massive creature claim he's half man, half primate and roams the Pacific Northwest. Join a team of experts as they use advanced scientific analysis to investigate the phenomenon to reveal what's science, and what's science fiction. Follow along as we break down one of the most controversial pieces of evidence... a 40-year-old film that many believe is actual video of the apelike being.
Source: National Geographic Channel
Philadelphia's Eastern State Penitentiary is said to be the one of the most haunted places in America. Since its closing in 1971, many have reported hearing eerie voices, weeping and tormented screams, while others have seen shadows dart in and out of cells. Investigators use the latest technology to search for paranormal activity. Motion sensors are rigged, night-vision and infrared cameras positioned, acoustic triangulation systems set up, and 3-D laser scanners offer a rare view inside.
Source: National Geographic