Filmed in Richmond, Virginia.
At the end of the opening scene the character Huck enters a store, passing a sign promoting the soft drink Mountain Dew. Then, the first commercial in the break that followed (in the original broadcast) was for Mountain Dew. Then in the scene that followed the commercial break, Huck gives a bottle of Mountain Dew to Felix who talks about how much he has always liked it.
Huck (Malick) is shown to have been a U.S. Marine before the apocalypse, based on her uniform.
The Richmond Coliseum can be see in the background of the scene at 25:09 which is located at 601 E Leigh St, Richmond, VA 23219. The tunnel that the characters enter is located at 801 E Clay St, Richmond, VA 23219.