During the most recent Ice Age, floods of an almost unimaginable size swept across northwestern North America, changing the face of the landscape, stoking one of the liveliest debates in the history of geology, and shaping the region's history and culture in surprising ways. In this first of three episodes, we'll explore western Montana, where the floods - and the study of them - began.
In the third leg of our journey along the California Coast, we visit Monterey Bay. An undersea canyon, sunlit shallows, and nutrients dredged up...
In the final episode of this series, we journey to the most diverse of all Northwest forests, those of the Klamath & Siskiyou Mountains...
In this first part of a two-episode series, we're headed to the Valley of Mexico to explore one of the world's greatest - and...