At UFO Hotspot Skinwalker Ranch, the team explores a mesa that appeared to be pulsating in the night. Using tri-field meters they detect very dangerous levels of radiation, leaving the team wanting answers, in this clip from Season 1, "Bad Things Happen When You Dig." #TheSecretOfSkinwalkerRanch Subscribe for more HISTORY: http://histv.co/SubscribeHistoryYT Check out exclusive HISTORY content: History Newsletter: https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Twitter - https://histv.co/Twitter HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.