Ever wonder just how and why moose grow those massive racks? Tom McIntyre found out, and while getting the scoop, he also rounded up 20 photos of some of the biggest moose taken in recent years.

Founded in 1887 by Theodore Roosevelt, the Boone and Crockett Club can boast a list of hugely significant accomplishments, among them; the protection of Yellowstone, Glacier, and Denali National Parks; the foundation of the National Forest Service, National Park Service, and National Wildlife Refuge System; the passing of the Pittman-Robertson and Lacey Acts; and the establishment of the Federal Duck Stamp Program. It's a long list, and it gets even longer when you consider that each trophy the club records is another validation of the system it helped build, a sign that America's wildlife conservation efforts continue to be a resounding success because of the sportsman's support.

How to score your deer in the field.