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.
Plitvice Lakes National Park is one of the oldest national parks in Southeast Europe and the largest national park in Croatia. In Plitvice Lakes National Park was added to the UNESCO World Heritage register.
Blackwater Falls State Park is named for the falls of the Blackwater River. The "black" water is a result of tannic acid from fallen hemlock and red spruce needles. The falls are one of the most photographed sites in West Virginia. by janine