Where is the lowest elevation in the world?
No context provided
Where is the lowest known point in the world?
Challenger Deep
No context provided
Where is the lowest elevation below sea level in the world?
Dead Sea, Jordan
No context provided
Where is the lowest, from sea level,  artificially made point in the world, with open sky?
Hamach surface mine
No context provided
Where is the lowest, from surface, artificially made point in the world with open sky?
Bingham Canyon open-pit mine
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Where is the lowest known natural point in the world?
Challenger Deep in the Mariana Trench
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Where is the lowest point on land not covered by liquid water?
Canyon under Denman Glacier
Extreme points of Earth
https://en.wikipedia.org/wiki/Extreme%20points%20of%20Earth
Death Valley
https://en.wikipedia.org/wiki/Death%20Valley
Challenger Deep in the Mariana Trench is the lowest known natural point in the world, while the lowest point on land not covered by water is the Canyon under Denman Glacier. The lowest elevation below sea level is Dead Sea, Jordan. Bingham Canyon open-pit mine is the lowest artificially made point, from surface, in the world with an open sky and the lowest artificially made point, from sea level, in the world with an open sky is Hamach surface mine.