I've talked about being frustrated with my cats peeing everywhere here.
We moved a few weeks ago, and I was really concerned that they would mess up the new place. We bought some Feliway and put it in the main room (the living/dining room). It seems to be working; no messes to report!
HOWEVER... the bathroom is another story. For the first time in my post-college life, we have a bathroom that doesn't have carpeting! We also have a perfect alcove for the litter box. We try to keep it clean and change it daily because I know cats are fastidious.
At one point, we had three bathrooms so we had 3 bathroom rugs leftover from that. We had put two in the closet and had the one down that matched our shower curtain, towels, and other bathroom accessories. However, the cats peed on that several times and pooped once - completely destroying it. (We thought we'd go replace it, only to discover that it cost $35!!) Then we put another one down, which they peed on. We washed it and put it down again, and they peed twice more. Then we put a third down and they peed on that one several times too. We finally just threw it away.
Today we noticed that they peed in the same place, just right on the linoleum. (Or vinyl. Or whatever the non-carpet-material is in our bathroom.)
I'm frustrated because we've never had trouble with them peeing on the bathroom rugs before. I have the second rug in a plastic bag and when we get back from vacation I'll research the best way to clean it so it gets rid of the pee completely. Perhaps some green products will have the enzymes necessary to kill that smell. I also will need to wash the shower curtain, as they have peed on the bottom of it several times. (It touches the floor when it's hung from the rod.)
I also want to try and find a bathroom rug that's plastic - something that we can step on when getting out of the shower.
Argh!! I love cats, but... so frustrating!!