This story aired during the 2014 Sochi Olympics. It's a great summary of the Cold War rivalry between the US and USSR through the lens of the Space Race. It would be a great opener to introduce Cold War to your students.
"Manifest Destiny tells the story of the United States in 141 maps from the Declaration of Independence to the present.
Explore and interact with any of the maps below, or fast-forward to important events, such as the Louisiana Purchase, the Civil War, or to the present-day US."