American Cave Museum The American Cave Museum and Hidden River Cave are open year round located in the town of Horse Cave Kentucky Idioma: English / English | Bluff Dwellers Cavern and Browning Museum Found and explored in 1925 by the owner, Arthur Browning and two surveyors employed by the highway department, Bob Ford and Bryan Gilmore. Public tours began in 1927 and after over 80 years the cave is still owned & operated by the Browning family Idioma: English / English |