Incredible Pics: Klausenpass, Switzerland - Klausen Pass is a high mountain pass in the Swiss Alps connecting the cantons of Uri and Glarus. The pass road from Altdorf leads through the Schächen Valley, the pass and Urnerboden to Linthal in Glarus.
Ice cave in the Skaftafell National Park in Iceland. Ice caves collapse and new ones form as each glacier grinds slowly towards the sea. Local guides can help you (without dying) find one. (Visit Skaftafell National Park in Iceland.