Gold Man promises to turn your ordinary toilet into a urinal. When it’s time to pee, just place the Gold Man on the toilet, and there you have it, a big porthole for your piss that supposedly keeps ...

Fountain (left), a urinal that Marcel Duchamp presented as art in 1917, as seen in a 2008 exhibition at Tate Modern in London. To its right is period publicity of the same era that presented ceramic ...

Perhaps you're one of those guys who dreams of having a "man cave" with its own private urinal. The things cost hundreds of dollars, however, plus they take up a lot of space in the bathroom. That's ...