Glacier caves are formed within the ice of a glacier and are started by water running through or under the glacier.

Breathtakingly Beautiful Photographs From Inside An Icelandic Glacier Cave
Breathtakingly Beautiful Photographs From Inside An Icelandic Glacier Cave, By Yohani Kamarudin, Scribol.com, Fabulous photos, with descriptions.
http://scribol.com/environment/breathtakingly-beau...
Exploring the World's Most Amazing Ice Caves
Exploring the World's Most Amazing Ice Caves, Written by marianovellamonti, Scribol staff, Amazing photographs, with descriptions.
http://scribol.com/outdoor-sports/caving/exploring...
How Glittering Glacier Caves are Formed
How Glittering Glacier Caves are Formed, Written by Michele Collet, Scribol staff, "Spectacular images of glittering glacier caves with an explanation of how they formed from an expert glaciospel
http://scribol.com/environment/lakes-and-rivers/ho...
In glacier cave
In glacier cave Uploaded by aexpogby YouTube.com Video length: 02:30 minutes.
http://www.youtube.com/watch...
Inside Glacier Caves (17 photos)
Inside Glacier Caves (17 photos) Posted by alice on March 7, 2011 Outstanding photographs!!
http://www.mymodernmet.com/profiles/blogs/inside-g...
Jeep Excursion in Iceland - Glaciers and Ice Caves PART 1
Jeep Excursion in Iceland - Glaciers and Ice Caves PART 1, Extreme Iceland, YouTube.com Video length: 14:28.
http://www.youtube.com/watch...
Jeep Excursion in Iceland - Glaciers and Ice Caves PART 2
Jeep Excursion in Iceland - Glaciers and Ice Caves PART 2, by ExtremeIceland, YouTube.com, Video length: 14:32.
http://www.youtube.com/watch...
Mendenhall Glacier
Mendenhall Glacier, Uploaded by farfinmosker, Mar 19, 2011, YouTube.com, Video length: 06:23.
http://www.youtube.com/watch...