Because every traveller knows the importance of a strategically-placed loo, Lonely Planet has released a new guide book that curates some of the strangest, most stunning and remote toilets around the world, including a lone potty dug into the tundra of the Canadian Arctic and a toilet set against a dramatic Norwegian waterfall.

Toilets A Spotter’s Guide fills 128 pages of outhouses, futuristic bathrooms, architectural marvels and sky-high urinals.

Among the hundred toilets featured, there’s the aptly titled “tundra toilet” in Canada, with nothing but a thin orange divider to separate the user’s heinie from -80º C winds.

In Norway, the roar of cascading falls in the background drown out the sound of any tinkling at Huldefossen Waterfall near Fjorde, with thousands of gallons of water rushing over the 90m drop.

In Japan, home of arguably the most technologically-advanced loos, users have long been able to warm the seat and control the water pressure for bidet features with the touch of a few buttons.

But the more unique peeing experience is reserved for men, with the Sega-developed interactive urinal system dubbed the “Toylet” at Joypolis amusement park in Tokyo.

In addition to testing their target skills, users can compare the strength of their stream against that of their neighbours.

And at Barafu Camp in Tanzania, users squat in makeshift outhouses perched on the edge of a cliff, 4,600m up the flanks of Mount Kilimanjaro.

Toilets A Spotter’s Guide; is now available and retails for US$11.99 (RM48.50). – AFP Relaxnews

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