Top Pictures of the Week

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text">A polar bear nibbles on a pumpkin at the Detroit Zoo in Royal Oak, Mich., Wednesday, Oct. 26, 2011. Some of the animals received pumpkins filled with treats to eat during the zoo&#39;s annual Smashing Pumpkins event. The enrichment items are hidden through out the animals&#39; habitats or prepared and placed in a manner to stimulate natural behaviors. &#40;AP Photo&#47;Carlos Osorio&#41; (AP Photo&#47; Carlos Osorio)</span></div>
December 23, 2013 5:30:54 AM PST