Welcome to the Hollow Earth Research Society

(HERS)

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  • HOME

    • Hollow Earth Research Society
    • VITRIOL
    • History of HERS
    • The Hollow Earth Theory
    • The Hollow Earth Expedition
    • Hollow Earth Proof
    • Major Theories of a Hollow Earth
    • Hollow Earth Evidence
    • Is the Earth Hollow?
    • The Hollow Earth Entrance
    • Hollow Earth Convention

  • Donate Crypto Currencies

  • Agartha

    • Agharta: The Subterranean World
    • Proof of Agartha
    • Inner Core of the Earth

  • Dan's Books

    • Dan's e-Book Store
    • Book Synopsis
    • About Dan
    • Contact Dan
    • Chat with Dan
    • Comments?
    • How About You?

  • Admiral Byrd

    • Admiral Byrd and the Hollow Earth
    • Admiral Byrd's Discoveries
    • Admiral Byrd's Diary
    • Admiral Byrd Reenactment
    • Admiral Byrd: The Secret Land Video

  • More

    For every purchase or donation on this site, HERS donates 10% to Polar Bears

    International.org.

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    We thank you for your generous support and your compassion and care for

    Polar Bears and the Arctic environment!

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