|USA||2008||60||Sci-Fi . History . Reality . Mystery . Documentary . Thriller|
The team investigates Grand Canyon Caverns in Peach Springs, AZ, formerly a sacred Indian burial site. The guys dodge mysterious rocks thrown at them during the night’s lockdown, and Zak has an eerie, one-on-one encounter.
|Episode Title:||Grand Canyon Caverns|
|Airs:||2015-10-03 at 09:00 PM|