Iceland has a lot of caves of all shapes and sizes. They are important in Icelandic history, many of them have served people and animals as shelter in bad winter weather. There are three kinds of caves in Iceland, glacier caves, lava caves and man made caves. Caving tours are popular in Iceland, but caving can be dangerous, so it is best to go with a guide. One of the caves you must see if you’re caving is Thrihjnukagigur. He is located east of the Blue Mountains in southwest Iceland, there you can experience how it’s like to be inside of a volcano. The volcano has been asleep for the last 4000 years and has no signs of activity, so you are safe to explore the cave. In Thrihnukagigur you can experience fantastic adventure into the earth.