Spoons are hard to come by, but it seems every airport has a gift shop with shot glasses.
Something I do when on the road, is not collect something, but go see something. Currently, I'm working on this list....
http://www.thrillist.com/travel/nation/america-s-oldest-bars-the-oldest-bar-in-all-50-us-states-and-washington-dc
Plus there's always things on the Travel Channel, like best burger joints, pizza, etc.
Another thing, if you have an iPhone (there may be a Android equal) get this app...
http://www.roadsideamerica.com/mobile/roadside/ios/
It will take your current location and show you some of the quirky things near where you are. I ended up buying all the regions since I travel so much.
Also, sign up for whatever airline you'll use frequent flyer program and also any hotel programs so you can get the points/miles.