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.
The tomb of Tutankhamun is one of the most famous archeological finds of all time. Now the artifacts that have been shown across the world are returning utama to Egypt.
Every minit of every day, the face of Earth changes - sometimes right before our eyes. Go inside tectonic events, watching earthquakes rumble, volcanoes explode, and land transformed.
