When God transplanted the Tree of Life from the Garden of Eden to Paradise when Adam and Eve were evicted from the Garden for having partaken of the forbiddin fruit, we learn that Paradise, (or Heaven) is a place of flaming fire.
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This place of flaming fire in the Heart of the Earth in the lower parts of the Earth, has been seen by Arctic explorers.
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When Jesus Christ came to ancient America after his resurrection, he chose 12 disciples to minister to His people in America. After establishing His church among the ancient americans, Jesus asked his 12 disciples what they would desire of Him after He had gone to the Father.
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Three of the disciples wished to be translated as was John The Beloved and remain on the earth to bring souls unto Christ until His Second Coming.

But the three disciples, the Book of Mormon relates that "the heavens were opened, and they were caught up into heaven, and saw and heard unspeakable things."
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The three translated disciples of Jesus ministered among the North American Indians, who were descendants of the Nephites and Lamanites, as recorded in their Sacred Records of the Nemenhah. Although Mormon did not disclose their names, the Nemenhah records do. They were three brothers: Nephi, the son of Nephi, who was the son of Helaman, who was the son of Helaman, who was the son of Alma the Younger, who was the son of Alma, the founder of their Church of Jesus Christ. And Nephi's brothers were Timothy, who Nephi had raised from the dead, and Lehi, also known as Mathonihah. (See 3 Nephi 19:4)

The Nemenhah records let us know that the Earth is divided up for their ministry in this manner: The lands east of Jerusalem are ministered to by Lehi, the lands west of Jerusalem except the Americas are ministered to by Nephi, and the American continent is ministered to by Timothy. Joseph Smith said that John the Beloved ministers to the Lost Ten Tribes in the North Countries of Our Hollow Earth.