Sources

Full footage, stills, audio and citation credits for every film. Each page is permanent; licensed material is attributed here under the terms of its licence.

Episode 02 The Bomber That Was Never Found B-29 wreck, Saipan Channel — NOAA Ocean Exploration & U.S. National Archives
Episode 03 The Sliding Rocks of Death Valley Racetrack Playa — Norris et al. 2014 (PLOS ONE, CC BY) & NPS
Episode 04 Camp Century & Project Iceworm In production — credits published on release.