Waterford Toronto Dock as Gravel Piles
Art meets with Sarah and gives her one last chance to come clean.
“Unconscious Selection” Filming Locations
Kira survives her injuries, Sarah meets with various people in various construction sites, Art realizes Sarah’s secret, and a mysterious new individual is teased.
Orphan Black episode “Unconscious Selection” was filmed in Toronto in Canada.
Parking Lot (off Parliament Street) as Construction Site
Paul arranges for Sarah and Dr. Leekie to meet in an empty lot.
Bay Adelaide Centre West as Rachel Duncan's Office
We see a glimpse of a mysterious woman in her office.
Source: Orphan Black — Wikia