[They wouldn't mean much if you didn't recognize the little scenes playing out in front of you, but it's probably for the best. Too many people have gone snooping in a Hunter's past with bad results.]
Stanford University.
Jess and a picture of his parents.
Sam and Jess' bedroom, silhouetted by the light through the small dorm window.
Give it a shake and the picture pans up to the same room's ceiling, now alight, with a woman's body pinned in flame.
A view from inside the Impala, a land mark in Sam's life, and one of the only constants he's ever known. And with Dean, of course. Joined at the hip to that stupid car.
Bobby's house.
A greasy but memorable diner. You spend a hundred tuesdays there and you're not likely to forget about it.
Dean in his hospital bed.
John in his.
The last group Photo they'd ever get.