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Neversink Pit, a wet limestone sinkhole in Alabama seen above in 1998, is about 50 feet (15 meters) deep and houses a rare species of fern. The sinkhole was bought in the 1990s by a group of cavers to preserve it for future generations.

AKA Anchorage~wedged between the 2 arms of Cook Inlet & the imposing Chugach Moutains, Anchorage is home 2 over 40% of Alaska's population & is the state's transport hub. A sprawling city on the edge of 1 of the world's great wildernesses, it often gets bad press from those who live elsewhere in the state & deride it as "just 1/2 hr. from the real AKA"


Ice cave - Iceland

Lu Di Yan, The Reed Flute Cave is a landmark and tourist attraction in Guilin, Guangxi, China St.Michael's Cave, is a cave system in the British Overseas Territory of Gibraltar Crystal Cave - Svínafellsjökull in Skaftafell, Iceland The Cave...

This recently discovered cave in Vietnam is massive beyond description. An entire forest is growing inside! There are no words to describe the enormity, and beauty of this natural wonder.