Here’s the complete 44-minute episode of the Discovery Channel’s “Road Trip” program that prominently featured Route 66.
https://youtu.be/dTRzvhqDMa8
The episode shows Las Vegas’ neon-sign boneyard before it opened, the Oatman Hotel when it was still taking overnight guests, and a lot of behind-the-scenes look at Hoover Dam, before the new highway was built near it.