On vacation do your kids spend more time checking out the sites or the restrooms? Either way, check out this hilarious-takes-two-min-to-read-post: Our Labor Day Vacation: Public Restroom Tour of America
I love the arch and the bench in the shower. Can frost or use glass blocks on windows if privacy is an issue. I would use a different/larger tile on the back wall and ceiling of the shower. Bench idea in the shower.