Mysteries of Chimney Rock Tour. 8-10:15 a.m., Chimney Rock National Monument. This tour spotlights topics aimed at interpreting the history and significance of Chimney Rock and the Ancestral Puebloans. Tickets are $20 for ages 13 and up, $10 for ages 5-15, and under 5 are free. Registration is required 12 hours in advance via rec.gov. For more information, visit www.chimneyrockco.org.