Fort Stanton in New Mexico is established in the 19th century as a military post, then converted into a tuberculosis hospital; reports of paranormal activity date back to the 1940s, but a recent uptick in claims causes concerns about staff safety.

The team treks to Haines, Alaska, where paranormal activity is reported at the Hotel Halsingland, a converted former military outpost in a region where many once lost their lives due to extreme weather conditions, starvation and bloody conflicts.