Ghost Hunters International - Season 2 - Eps 16: Wolf's Lair
The team makes their debut in Poland at the Wolf's Lair, Hitler's Eastern Front command post, where he spent roughly 800 days and where the attempt on his life, Operation Valkyrie, failed. Judwiga, the staff historian, tours them around the facility, where eerie noises, voices speaking German, and creepy feelings, as of being watched, abound.
About Ghost Hunters International

Title: Ghost Hunters International
First Air Date: 2008-01-09
Last Air Date: 2012-04-04
Status: Ended
Rating: 8.4/10 (from 28 votes)
Language: EN
Seasons: 4
Total Episodes: 62
Network: Syfy
Genres: Documentary
Production Companies: Unknown
Synopsis
Ghost Hunters International was a spin-off series of Ghost Hunters that aired on Syfy. The series premiered on January 9, 2008. Like its parent series, GHI was a reality series that followed a team of paranormal investigators; whereas, the original series primarily covers only locations within the United States, the GHI team traveled around the world and documented some of the world's most legendary haunted locations.
Cast

Barry Fitzgerald