Then came New Zealand with Tongariro National Park in 1887, protecting the Tongariro, Ngauruhoe and Ruapehu volcanoes.

BBC: Birth and spread of the world??s national parks

Ahead, rising into the stormy clouds, is Mount Ngauruhoe, the massive volcano better known in the films as Mount Doom.

BBC: A return to Middle-earth

Two fans, Kerry and Chris, decided to walk to Mordor, or in this case, from Matamata, the stand-in location of the Shire where Frodo and his loyal pal Sam departed to Mount Ngauruhoe, which doubled as Mount Doom.

FORBES: Two Fans Take 'A Simple Walk Into Mordor'