Underground Cities amazing.

This site has a bunch of pictures and information on cities built underground, in caves, bunkers, etc. Pretty amazing stuff.

  • Amanda

    Where is this??it looks amazing

  • Kieran

    I’ve been to the Salt Mines near Krakow in Poland. That’s where the shots at the top and bottom are. The place is incredible. It’s nearly a mile underground. It’s unbelievable that they carved this place out so long ago. Would be so good to throw a party there!