Crystal Cave of Svmnafellsjvkull in Skaftafell national park, Iceland+ @' r, A8 \: y

9 y. v) D) H, P6 W4 M9 ~) Z5.39.217.77Nature at its best: Created by the awesome forces of the Vatnajvkull ice cap in the south of the volcanic island, the deep blue cave was formed by the glacier meeting the coastline5.39.217.77) |& u1 v' k' I4 ~3 K
$ Q" ]: \% M, l: i0 D3 C 5.39.217.77/ Z9 p2 A% j5 h" `* e% z' D: y6 G
Changing size: Accessible through a 22-foot entrance on the shoreline, the cave tapers to a tight squeeze at the end no more than four feet high |