Secret tunnels & ammunition under North Head?

Evidence for secret tunnels under North Head / Maungauika is overwhelming, but what remains inside?

Find out how deep the rabbit hole goes ...

FACT: Tunnel Vision is a presentation of Martin Butler's ongoing research into North Head/Maungauika to unearth its secrets once and for all.

FICTION: Mystery Under Maungauika is a fun fictional story about a group of Auckland teenagers who investigate the secret tunnels at North Head/Maungauika and make their own shocking discovery.

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