I like number 5, but in a blank notebook (with envelopes on each right side page). Make notes on what we did each day on left hand page collect stubs, receipts, etc for the day in the envelope on the right hand page. Use this to put together the scrapbook when were home | Henry Happened
Ticket Stub Shadow Box. I've seen many versions of this; here is my take on it. 8"-square shadow box from Michaels (actually a "wish bank" that has a nice size slot already cut in the top for additional tickets.) I used some map-print scrapbook paper and the phrase "Been There, Done That...".