When I got home, I was able to score a shadow box from HL for 50% off. Then I asked for a sample of American flag fabric that I found. I decided on American flag fabric to keep with the patriotic theme of our vacay. Turns out, they'll give you about 3 inches of fabric for FREE! I used our subway passes to create a border, and put the fabric in the middle of the shadow box. I glued these down using mod podge.
I then arranged all the pieces I had, until I had them just the way I liked them. I used tacky glue to set those in place. Allow tacky glue awhile to dry. Also, you might need to lay something flat on the tickets and other paper items to keep the edges from curling up. One of my favorite pieces in here are the pennies. Most touristy places have those penny engraving machines. Pop in 51 cents and out pops the cheapest keepsake ever.
PS- a quick picture hanging tip I came up with for this project: I took a thin strip of paper, placed it against the back of the shadow box, and marked on the paper where the hangers were. After leveling the dots, I just hammered the brackets through the piece of paper. Cuts out the lines I used to always have to draw to keep pictures straight.