My daughter collects snowglobes. Or, to be precise, we collect snowglobes for her when we travel. She has a few from New York City, one from San Francisco, one from Murtle Beach, one from Milwaukee. I badly messed up when I went to Boston last year and did not get one. Last year, the TSA made a rule that snowglobes cannot be in the carry-on luggage (and I prefer to travel light and not check in any bags), but the lax security at Milwaukee airport let me smuggle one in.
Now, traveling around Europe provided me with the opportunity to greatly add to her collection: snowglobes from London, Cambridge, Cromer, Trieste, Belgrade and Berlin. Carrying them on European airlines was easy, but I checked in the suitcase on the last flight back to the USA: