Las Vegas: America's Sin City | Cities of the Underworld (S3, E4) | Full Episode | History

Welcome to Las Vegas, America’s Sin City where casinos have made security their highest priority. Join hosts Don Wildman as he uncovers underground vaults and secret surveillance nerve centers, in Season 3, Episode 4, “Secret Sin City.”

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The HISTORY Channel® 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.