While most toilets have regular, rectangular-shaped floor plans, architects have also experimented with spirals, triangles and circles for public restrooms. Here are 10 public toilets that break the bounds of the regular cubicle.

The triangle toilet
Completed as part of the Tokyo Toilet project, this red public toilet block was squeezed onto a triangular plot in Tokyo's downtown Shibuya.
Designed by New York-based Japanese designer Nao Tamura, the form of the irregularly shaped toilet was based on the Japanese craft of Origata
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The golden toilet
The Wembley WC Pavilion, which was designed by London studio Gort Scott, is covered in shimmering golden aluminium that extends out at the building's corners to give it a star shape when viewed from above. "The aim was, after all, for a special building that harks back to the days when public toilet buildings were types of civic buildings that aimed to inspire confidence and pride in a place," explained architect Jay Gort.
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The inverted S toilet
Created by Kubo Tsushima Architects to cater for visitors to a contemporary art biennale in the Japanese town of Nakanojo, this public toilet was designed to be a symbol of the city.
"We were asked to create a toilet that could be a symbol of the town, and at the same time, a toilet that is not dismal like ordinary public toilets in Japan," they explained.
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