On this day trip from reykjavik youll discover what lies beneath the surface of a glacier as well as the surface of the earth as you visit a man made ice cave below langjkull and check out the largest lava cave in iceland vgelmir plus take in the natural beauty of the borgarfjrur area if youre into nature or geology dont miss this chance to see iceland inside and out you will be accompanied by a guide and you can learn more information from personal touch screen audio guides on b