Martin Yap

In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.

By day the workplace is rational and efficient, but at night the same offices, hotels and restaurants become the domain of the supernatural and unexplained. Those who work the graveyard shift reveal their terrifying brushes with the paranormal while on the job.

Animals congregate in places where their basic needs can be met: havens from predators where competition for food is manageable and breeding opportunities are abundant. Journey to the habitats of these one-of-a-kind animals and learn their survival stories, from nesting fairy penguins, to migrating caribou.