Deep in the mountains of northern Montana lies one of the most pristine wilderness areas in North America: Glacier National Park. Known for its towering peaks, glacial lakes, and dense forests, the park is home to hundreds of animal species.
But according to a persistent wilderness mystery, there was a time when large numbers of animals appeared to suddenly leave parts of the park, creating an eerie silence that both visitors and park workers noticed.
Was it a natural phenomenon or something stranger?
