As we know, an early scene in Star Trek V: The Final Frontier was shot in Yosemite Valley:
Kirk is supposed to be climbing El Capitan. I don't imagine for one second that Shatner was actually on the face of el Cap, although el Cap is in the shot.
At the end of the sequence, Kirk falls and nearly hits the ground. Where was this actually filmed? If you fall off el Cap, you hit a talus slope, not flat ground with a few rocks and trees.
This may be a very trivial point, but having just returned from my nth visit to Yosemite, I am curious.