It's hard to imagine that there are still parts of the planet that are unexplored enough to yield new information, but it is certainly the case. One of the primary locations for hiding topography is underwater where it's just so darn hard to get to. Sophisticated sonar equipment has provided us with more topographical data than ever before and just recently has led to the discovery of a trench at the bottom of the Scottish Loch Ness that would be large enough to hide its legendary monster. The crevice, nicknamed Keith's Abyss after its discoverer Keith Stewart, has piqued the interest of believers and skeptics alike and will certainly receive its share of attention in the near future. Read more at 3DPrint.com: http://3dprint.com/116181/3d-imaging-loch-ness-depths/