Sun Moon Lake: Picture a pristine body of water.

FORBES: Taiwan

Although salmon are lovely, so too are pristine forests, healthy mountain streams, clean rivers for drinking water and recreation.

ECONOMIST: Cities and the environment

And Mr Jacques, with the theory it may have been a water supply for early man, believed there could be pristine and ancient archaeology waiting to be discovered.

BBC: Stonehenge occupied 5,000 years earlier than thought

Though hotel staff claims the pool contains salt water, instead it seems merely non-chlorinated and almost magically pristine.

FORBES: Banff Springs Eternal