Took historic tour of caves | yes |
Took troglodyte tour, crawling in the dark |
no |
Took the 4-hour discovery tour |
no |
Bought geodes or lawn ornaments from the
roadside stands |
no |
Stayed in Mammoth Caves lodge |
no |
Two oldest tourist attractions in US | Niagara Falls and Mammoth Caves |
Largest system of caves in the world |
Mammoth Caves |
Historic commercial uses of Mammoth Caves |
Tuberculosis treatment center, salt peter
mining, tourism |
Date of oldest evidence of use by humans |
2000 years ago |