Remember coin-operated toilets? When you had to pay a dime to use them? Some still exist around the world, according to a recent senior traveler report of encountering them in New York City, England, France, and of all places, the Vatican.

Actually, the U.S. Congress may soon vote on a bill that will make charging passengers for toilet breaks while in flight illegal. Several years ago, Ryanair considered a toilet use fee of a Euro, equal to a bit more than $1 per visit, but overwhelming public disapproval killed the plan.