Traveling out of the country for the first time can be exhilarating. You have your passport ready to go, your Pinterest board is chock full of fun places to visit, and you’re counting down the days until you head to the airport. But as much as you plan ahead, that first trip overseas will most likely be full of surprises. Here are eight of the most common mistakes first-time travelers make, and how you can prevent making those same mistakes before it’s too late.