The Ancient Giant Trees of Earth

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There is a Theory that this earth was once populated with massive Giant trees that reached to our atmosphere.

All around the world we find these strange giant Mountain Towers that just don't fit in with where they are located. In many cases The resemblance to massive Tree Stumps is undeniable.
Could these "Mountains" and Gigantic Rocks serve as evidence that the earth was once populated by massive trees and that our current forests are merely the leftover shrubs? Are Flat top mountains the remnants of behemoth trees?

The tallest trees in the world today are redwoods, which tower above the ground in California. These trees can easily reach heights of 300 feet.
But These are just little shrubs in comparison.