The KIGAM Geological Museum in Daejeon offers free entry from 10:00 to 17:00, with last admission at 16:30, and free parking. Independent visitors can enjoy geology and fossil displays, but groups of 20 or more need online reservations. Closures include Mondays, 1 January, Lunar New Year and Chuseok periods, Labor Day and the research institute's anniversary, as well as substitute days after certain public-holiday openings. Address 124 Gwahak-ro, Yuseong-gu, Daejeon, phone 042-868-3798. Check temporary closures.