[Alexandria, Va.] : PBS Home Video, 2008
Widescreen edition

Sherman Oaks, CA : Ketchup Entertainment, 2009

[New York, NY] : IFC Films, 2023

[United States] : National Geographic, 2008
Widescreen edition

[Boston, MA] : WGBH Educational Foundation : Distributed by PBS Distribution, 2019

Alexandria, Va. : Time-Life Video and Television (distributor), 2002
Collector's edition

[Place of publication not identified] : [publisher not identified], 2014

[United States] : National Geographic, 2013

[Washington, D.C.] : National Geographic, 2009

[Alexandria, Va.?] :; [Boston?] : PBS : PBS Distribution,; PBS Distribution, 2011; 2010
Widescreen.

Los Angeles, Calif. : Hollywood, Calif. : Spyglass Entertainment ; DreamWorks Pictures, 2008