MacGyver traveled to the Amukush valley of Kabulstan on a mission to find and extract Jack Dalton who was working on a Phoenix Foundation funded project to investigate and collect water samples from a stream which he believed contained life extending properties. However while there MacGyver and Dalton found themselves battling nuclear terrorists who were diverting the stream to a heavy water plant to manufacture H bombs.
The Mountain Of Youth
The Bronson Caves
Hsi Lai Temple
Kabulstan is a fictitious county, but based on information discussed in the episode our best guess is that it’s a country in the general area marked on the below map.