Admission $25.95; $19.95 (ages 60+, students and military with ID); $15.95 (ages 4-13).
Kentucky Down Under and Mammoth Onyx Cave open daily 9-6, Memorial Day-Labor Day; 9-5, mid-Mar. through day before Memorial Day and day after Labor Day-Nov. 2; daily 9-4, rest of year. Closed Jan. 1, Thanksgiving and Christmas. Allow 4 hours minimum.