Thousands of prehistoric footprints in New Mexico's White Sands National Park are explored. Thousands of prehistoric footprints in New Mexico's White Sands National Park capture moments when Ice Age ...
Angela Fitzgerald explores Interstate Park's Ice Age geology and 125-year history. Shaped by Ice Age glaciers, Interstate Park is Wisconsin's oldest state park. Angela speaks with property supervisor ...
Did you know that a massive ancient flood triggered a thousand year ice age? 13,000 years ago, North America seemed to be thawing from a 2.6 million-year ice age. Then, a huge swath of Earth was ...