PHOTO GALLERIES

Check out some of these extreme war machines.

Go behind the front lines of the bloodiest WWII conflicts.

Meet the Danley Demo crew in their "demolisher" daily routine.

Trek across the globe with National Geographic Explorers.

Get a closer look at the sheer variety of life exiting within, across and around the world’s second-largest ocean.

Captured images of man interacting with sharks of all shapes and sizes.

Host Jake Porway goes to the streets with experiments and interactive games.

The faces of those who have survived an attack from one of Australia’s deadliest creatures.

Listening intently and recording pivotal information about Hitler’s army.

Zeb Hogan and bizarre freshwater fishes.

Check out these images of the Kennedys and the Oswalds from Killing Kennedy.

Behind the scenes images from the show Killing Kennedy with cast and crew.