Hmmmm. Well, the installment from two weeks ago has finally been identified; it's Malibu Creek State Park in California, which is where the exterior shooting for M*A*S*H was done. That square object on the left of the road, toward the left of the picture, is actually a rusted-out jeep that was used on the show. Cool, eh? So, one hundred Quatloos to Aaron, who got the answer. (And yet, Jayme was on the right track in comments to another post....)
Last week's installment is still unidentified, however. Somebody's got to call my bluff here!
And now, this week's entry:
Where are we? Rot-13 your guesses, please!