Seen from the sky, the Demilitarized Zone, or DMZ, looks like a gigantic geographical wound across the Korean Peninsula, the continuous wire fences snaking up the hills and down the valleys from ...

North Korea may have reopened its border with the South only last week, but for the past few months, a documentary crew has been in the heavily fortified demilitarized zone -- filming a wildlife doc.

This week, U.S. soldier Travis King crossed the Demilitarized Zone, or DMZ, which separates South Korea and North Korea. He is believed to be in the custody of North Korean forces.

New satellite images show what appear to be new stretches of wall constructed by North Korea near the Demilitarized Zone.

The Korean War Armistice was signed seventy years ago, separating the two Koreas and putting an end to the fighting, but not the war itself.