Mammoth cave in the state of Kentucky in USA is the longest known cave system in the world (wikipedia). It’s office name is Mammoth-Flint Ridge Cave system (combination of 2 long cave systems). It’s a world heritage site and an international biosphere reserve. It has more than 400 miles of passageways.
The formations are amazing. Some passageways are so narrow that only one person squeeze through. Some parts of the cave are dry and you will not find any stalactites or stalagmites. The park offers several tours inside the cave. Tours range from 1 to 6 hours.
Other area attractions include:
Diamond Caverns – another smaller cave
Dinosaur World – life size dinosaur replicas and activities for kids
Kentucky Action Park – variety of amusement activities such as riding stables, bumper cars, ziplines, alpine slide and mini golf.
Kentucky Down Under – Australian themed animal park where you can find animals and birds native to Australia.
JK Travel Diaries 