1 Discover Fort Osage! – 9 a.m. to 4:30 p.m., Saturday, Fort Osage National Historic Site., 107 Osage St. Check out of the best the historical interpretive site has to offer at this new event. Enjoy food and drink as you learn about the history, trade and culture of the early 19th century fort. The site's living interpreters. special guided tours, curated story hours and period-inspired crafts bring history to life. Admission is $8 for adults and $4 for children and seniors.

2 Trails to Truman Trivia – 6:30 to 8:30 p.m., Friday, National Frontier Trails Museum, 318 W. Pacific St., Independence. Sign up your team of four or six (participants 21-older) or just yourself for a trivia competition. The topic is trails – historic and modern – along with other trivial categories. The event is free but space is limited. Sign up at mymcpl.org.

3 Puppetry Arts Institute – Krain Kensinger will perform “Puppets: A to Z,” 11 a.m.-2 p.m. Saturday and Sept. 21 at the institute, 11025 E. Winner Road, in Independence's Englewood Arts District. Discover the incredible styles of hand, string, and abstract puppet art. Learn hands on tips to make a puppet player from household items. Then join unique puppet performers in a showcase of music and creative imagination. Admission is $6 per person. For reservations call 816-833-9777 or email pai@att.net.

4 Stonehenge – Union Station, 30 West Pershing Road, Kansas City. The Stonehenge exhibit, which explores the who, how and why of the famous ancient stone structure in southern England is at Union Station through Sept. 29. The exhibit includes about 300 original artifacts. Hours are 10 a.m.-6 p.m. Monday through Friday, 10 a.m.-7 p.m. Saturday and 10 a.m.-5 p.m. Sunday. Tickets for the special exhibit are $12.95 for all site members, $17.95 for adults and $14.95 for children ages 3-12, plus a $1.25 preservation fee for all prices.

5 Fall color mammals – 10-11 a.m., Saturday, Burr Oak Woods Conservation Nature Center, 1401 N.W. Park Road, Blue Springs. The fall brings picturesque color changes with trees, but some of the state's own mammals change as well. Learn about the other colors of fall. Free and open to all ages, with no registration required. The nature center also has critter feeding at 3:30 p.m. for its captive amphibians, fish and turtles.