When I lived in New Zealand I strongly felt the least appreciated wonder of the country were waterfalls.
Rarely are they highlighted in any list of “tourist attractions”.
That wrong has finally been righted.

A Guide to New Zealand Waterfalls
JOHNNY T. Cheng is a waterfall enthusiast who has published books on falls in Norway and Yosemite National Park in California.
His A Guide to New Zealand Waterfalls is a foray into New Zealand that covers more than 100 falls. This is a practical guide, with maps and clear driving directions plus the small details needed for choosing your visit and negotiating the falls once you get there.
Judith Elen in The Australian