A popular video late this week was this news clip of the new bridge in Qingdao, China that's described as the world's longest across seawater. Being that it's a long holiday weekend in the United States, we got curious to know more about YouTube's "longest" videos.

We're not looking at the literal longest videos -- though if you're interested, here's 3.5 hours of Nyan Cat. Instead, we looked into YouTube's data to pull a few of the most-viewed videos of things, actions, and events that were described as "the longest ___."

Here are 10 that surfaced:

(May take a moment to load in full.)

Potential soundtrack for this list.