Subterranea are any kind of artificial underground sights.
Maybe you think there is no good reason to dig a hole, instead of the search for
But man used caves for many purposes, for living, storing food and worshipping.
And if the geology of an area did not provide natural caves, man often built
artificial caves as he needed them.
This chapter subterranea contains some explanations on man made
Although mines belong also to the subterranea, they are such a wide and complex
field, so they have their own chapter.
Subterranea - as defined here - are all kinds of artificial cavities except
Cave Castles |
Cave Churches |
Cave Houses |
Cave Replica |
Cave Tomb |
Underground Cities |
Ice Grottos or Glacier Grottos |
Rock Mines |
Secret Bunkers |
Sewage System |
Underground Railroad |
Underground Railway |
World War II Bunkers