MAMMOTH CAVE, Ky. (WKRC) – A Kentucky national park has invited people to “experience the disappointment” after being ranked one of the most disappointing. A recently study ranked Kentucky’s Mammoth Cave as one of the most disappointing tourist attractions in the country. The study used sites like Google and Tripadvisor to evaluate the rankings, searching for words like “subpar,” “disappointment” and others to identify attractions that left the most people disappointed.