The rocky exteriors were filmed at the famous Vasquez Rocks Area in northern LA county.
The car Jamie drives is a 1976 or '77 Datsun (now Nissan) 240Z.
Masauu is very similar in appearance (black, and with a canine head) and purpose (protector of the dead) as the famous Egyptian god Anubis.
Jamie is listening to a song on her radio sung by Hoyt Axton, who appeared earlier in the season.