In the Grand Canyon, Woodpeckers store their food in hollowed out holes in trees, but when a squirrel tries to steal the supply - they defend their stockpile.
Traveling for 64-miles along the border between Chama, New Mexico and Antonito, Colorado, the Cumbres & Toltec Scenic Railroad chugs its way up and over the 10,015 foot high Cumbres Pass.
Cities of the 19th century were breeding grounds for disease. Find out how poor living conditions played a role and how the discovery of the germ led to public health reforms still seen today.
