D eep within Antarctica’s Ellsworth Mountains, a pyramid-shaped peak has intrigued scientists and conspiracy theorists alike.

Freeze-thaw erosion probably forged other pyramidal mountains, too, such as the Matterhorn in the Swiss Alps, Pelto added.

And so it is with Antarctica: some ridges will hold up the ... and West Antarctic coastlines , and in the Transantarctic Mountains. The outline of deep valleys is better represented, as are ...

You are as exposed as you can be on this planet. Of course the climate is harsh – Antarctica is the world's coldest, windiest and driest continent. Climbing and living in the Antarctic mountains makes ...