Alaska's Bureau of Land Management regularly posts photos and videos of flying squirrels, scampering porcupines, majestic moose or dramatic landscapes.
But the video that went up last week was different. It was ominous. It was mysterious. It was ... the Chena River Ice Monster, as captured by a baffled BLM employee.
The video shows a strange, undulating icy shape appearing to move through the water. The video has a dramatic soundtrack and an overlay of a camcorder, but BLM insisted the footage itself was unedited.