Which feature did historical Hollow Earth theories often propose as access points to the interior?

Answer

Secret entrances near the geographic poles

Historical narratives sometimes proposed secret entrances near the geographic poles as access points to the planet's interior, a concept that modern geophysics has definitively ruled out.

Which feature did historical Hollow Earth theories often propose as access points to the interior?

#Videos

There Is Life Hiding Inside Earth - YouTube

The Remains of an Ancient Planet Lie Deep Within Earth - YouTube

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