Re: Campaign seed: Prior Indigneous Technological Species
 

How well explored is Antarctica? Could there be a hidden city there similar to that described in: At the Mountains of Madness?

Re: Campaign seed: Prior Indigneous Technological Species
 

Places in Antartica not covered by the ice sheet can be largely ruled out. Even large areas under the ice sheet might have been radar mapped. For example we know of a large active volcano under the ice.

Re: Campaign seed: Prior Indigneous Technological Species
 

Under the ice, though, it's partly a matter of the nature of the ruins. If the city, like the one cited in At the Mountains of Madness, is made mostly of rock and stone, it might easily be mistaken for a natural formation, esp. if it didn't follow our rectilinear architectural tendencies.

Re: Campaign seed: Prior Indigneous Technological Species
 

https://www.quora.com/How-thick-is-t...-in-Antarctica

....has the average thickness being about 2100 meters with the greatest areas being under twice that much ice.

Not only is this an enormous amount of mass but the ice moves from the center of the continent to the periphery. Basically we're talking about what are not only the biggest glaciers on earth but the longest-lasting c. 30-40 million years at least.

For an essentially hollow structure such as a building to survive not only the downward pressure but the sideways push for that long .......well "sanity destroying" might be one way to describe the material properties.

Then there's the question of how to get through that much ice.

I'd put my ruins some place else.