I enjoyed the consistent tiled theme of the public toilets in the Immigration Museum on Ellis Island, once the gateway for immigration into the United States.
This is an original bathroom in a dormitory for detained immigrants:
Some of the most interesting toilets on Toilography:
Potsdam Potty Gardens (Potsdam, NY)
Modern Toilet Restaurant (Taipei, Taiwan)
Mr Toilet House (Seoul, South Korea)
Bauhaus toilet art (Vancouver, Canada)
18 karat gold toilet (New York City, USA)
Ravenswood Thunderbox (Ravenswood, Australia)
Sega Toylet (Tokyo, Japan)
The Staredown (Halifax, Canada)
Space toilet (St Louis, USA)
The awesome graffiti at College Saint-Laurent (Montreal, Canada)
Cheer squad (Washington DC, USA)
Glow in the dark at VR House (Toronto, Canada)
Snow & sawdust (Montpelier, USA)
Ottobar graffiti (Baltimore, USA)
Life Alive (Lowell, USA)
T-Bowl Concept Restaurant (Kuala Lumpur, Malaysia)
The abandoned Qianyue building (Taichung, Taiwan)
Dame Edna (Condobolin, Australia)
Viking Toilet (Santiago, Chile)
Oki Bowl (Washington DC, USA)
Cutty’s (Charleston, USA)
Disco Toilet (Montreal, Canada)
Double Wide cactus garden (Dallas, USA)
Licence plates (Prince Edward Island, Canada)
Fremantle Prison (Fremantle, Australia)
The Empty Bottle (Chicago, USA)
The Sweatshop (Townsville, Australia)
Toilography