Bill Harley and the Davidson Brothers had a dream. This is the story of that dream and what it took to get there, despite all odds. What can be more American?

Special effects designer Alex Wheeler reveals what it took to authentically recreate the motorcycles seen in Harley and the Davidsons.

Executive Producers, John Goldwyn and Dimitri Doganis discuss the making of Harley and the Davidsons.

For every incredible moment of footage in the Africa series, there are countless stories of filmmaking hardship. See what it was really like to make Africa.

In this behind-the-scenes web exclusive, Africa producer Hugh Pearson reveals how one of the most violent giraffe fights ever seen was filmed.

Go behind the scenes of AFRICA with wildlife cameraman Charlie Hamilton James, who explains how he filmed the lizards and lions sequence.

A severely dehydrated Jake manages to create a way to distill drinkable water while surviving in the Namib desert.

Terry, Jake, and Chris compete in a log splitting competition - the Dude who can split three logs in a row wins!

Casey becomes so desperate for nutrients while surviving in the Canadian Rockies that he turns towards a very odd food source.

Chris Swanda bragged about being able to handle the game better than the Dudes, so they decide to ambush him when he's least expecting it.

In this bonus scene, a weakened Jake underestimates a giant grasshopper when hunting for food in the Namib desert.

The Dudes play a cruel joke on Jake by leaving him a goldfish as one of his survival items - will he suck it up and eat it?

Jake Zweig, a former Navy SEAL, is currently a university Linebacker and Special Teams coach. A self-described redneck, Jake combines a passion for the outdoors with legendarily SEAL survival training.

John Hudson wakes up in the freezing cold Alaskan wilderness after a snowstorm and decides to brew a cup of tea.

Former Navy SEAL Jake Zweig may prefer an AK-47 for protection, but primitive survival expert Matt prefers his quiet (but deadly) atlatl.

Walking under an overcast sky, John Hudson uses a magnetized needle to point in the direction he wants to head: south.