I find it interesting people are reluctant to get a passport. I've traveled internationally on biz and pleasure so I've needed one outside of snowmobiling. Maybe if I was only ever going to go to Canada I might feel different but it wasn't until I got my first passport that I realized the importance and power of the document. There is a reason they don't hand them out in a vending machine and it could be the single most important document you ever posses someday. Think about how many people in the world would give anything to be a US citizen and have one?
Sorry, off my soap box now.
Here is a story on how having our passports with us on our last trip Jonquiere saved my vacation. We had reservations for 10 days and during that week the weather was cold where most days didn't get above zero and the wind chill was -cold. My wife was a trooper and rode the first few days but then couldn't take it any longer because the cold was causing too much pain in her bad knee. She didn't want to ruin my vacation but I knew she didn't want to hang out in the hotel room for the rest of the vacation. Many options were discussed and thankfully I had the money and her passport to fly her home from the local airport.
So, everyone thinks they are going to come back the same way they went but $hit happens and you never know when you or someone in your riding group might have to fly home!
Peace.
SC