Please note: The episode “Tunguska” was originally Episode 9, not episode 8. 200-block of Northern Ave.: Warehouse, Flushing, Queens, New York CityViva Tower, Suite 1708, 1311 Howe St./828 Drake St.: Skinner’s apartment, Crystal City, VirginiaLone Rock Farms: Horse ranch, Charlottesville, VirginiaGravel Pit, Seymour Demonstration Forest: Tunguska work camp