After looking at those pictures there are three things for sure I can tell you:
1.) All of them will be a bitch to heat.
2.) All of them will be a bitch to clean.
3.) The ones situated in the water will have mold and mildew from hell.
More or less they all give me the whibblies. I can just imagine all the ghosts in those places.. OooooooooooOOOOoooooooo. LOL.