The origins of three structures that aid Man’s survival.

Originally released by Bellum Entertainment, 2015. Streaming video file encoded with permission for digital streaming by Infobase on June 03, 2016.

The Lighthouse: In the Beginning (2:02); --The Lighthouse: Monks as Lighthouse Keepers (2:18); -- The Lighthouse: New Inventions (1:52); -- Greenhouse: Satisfying People's Hunger (2:27); -- Greenhouse: Perlite Hydroponic Systems (3:50); -- Tree House: Timeless Tradition (2:11); -- Tree House: Medici Family Dynasty (1:56); -- Tree House: Papua New Guinea (2:05); -- Origins Spotlight: Dog Houses (1:44); -- Credit: The Lighthouse, Greenhouse, & Tree House: Origins-The History of Everything! (0:27); .