I assume this is the scareist "commerical" airports.
Should try looking up Tenzing-Hillary Airport in Lukla, Nepal about 40 miles from Mount Everest Base Camp. It is tar! but no actually level. There is a danger taking out the fence on just before the threshold.
Also there is some you-tube stuff on Alberto Carnevali Airport in Merida, Venezuela, which is in between mountains.
As for small stuff, I didn't know our Defence Force gravel trucks were helicopters until I saw some 30 degree angle runways in PNG that they touch and stopped on!
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