Nazi Death Camp In Poland Is 'One Huge Crime Scene' After Dig Unearths Gas Chambers Disguised As Baths [PHOTOS]

Archaeologists have unearthed a previously unknown set of gas chambers at the site of a 1940s Nazi death camp in Poland. Researchers estimate more than a quarter of a million Jews were killed at the site, known as the Sobibor extermination camp, between May 1942 and Oct. 1943.