Daytime tours $12; $5 (ages 6-17). Moonlight tours $20; $10 (ages 6-17).
Tours are given on a first-come, first-served basis Wed. and Sat. at 10 and 2, Sun. at 10, Apr.-Oct.; Wed. at 1, Sat.-Sun. at 10, rest of year. Moonlight tours are offered on select evenings Apr.-Sept. Phone ahead for moonlight tour schedule. Tours may be canceled due to weather conditions or road closures; phone ahead to confirm.