Discovering Oregon's Secret Canyon

There’s not much of the Earth’s landmass that hasn’t been explored: the continents have been mapped, the poles conquered and the mountains climbed. But what if we were to tell you there’s a natural wonder about 60 miles from Portland that had never been documented - until now. Its unofficial name is Valhalla, a deep and narrow slot canyon in the wilderness. Jes Burns of EarthFix has the story.