Put the ice in Iceland with this day trip to Langjökull, the second largest glacier in Iceland. On this tour, your guide won't just take you to see Langjökull — you'll go inside it! Traveling by eight-wheeled monster truck, explore man-made tunnels and caves in the glacier and gawk at the cool blue light that glows from it. During this once-in-a-lifetime experience learn about the geological history of the glacier as well as about the history of Iceland.
The photo is courtesy of Viator.com
