This is hard to believe

Giant waterfall discovered in California national park When you consider all of today's satellite and aerial maps*, the population density, and the ever-increasing volume of "outdoor enthusiasts," it seems incredible that a 400 foot waterfall in a national park could have been a secret until 2005. Great article.

*To give you an idea of the pervasiveness and easy availability of mapping, heres a link to a satellite image of the Whiskeytown National Recreational Area, courtesy of the amazing Google Maps.