Originally Posted by rsmorgan
...From a practical standpoint, however, you'll be fine if you put the gun in a locked box inside a locked suitcase. Here in the US, unless you are staying at a really scum-bag place, the staff won't even think of lifting your luggage and if you lock the bag they can't / won't look into it.
^^^ I do this as well.
Put a simple padlock on your suitcase and store it in a corner of the closet where the padlock is shielded from view. The maids never touch it or even think about it.
Obviously, do not leave any visible clues in the room that you are a gun enthusiast. Keep the porn in the Open and hide your 'Guns and Ammo' in the drawers.