Glenwood Groceries as Vernon's Gas Station
Jack stops for gas on his way to a fishing trip when he sees one of the invisible creatures.
Source: Stargate SG-1 Locations
“Sight Unseen” Filming Locations
Stargate SG-1 episode “Sight Unseen” was filmed in Langley & Richmond in Canada.
Landmark Aviation (west building) (YVR) as Piedmont Hawthorne
Vernon is trying to fly Las Vegas when he is stopped by SG-1.