Friday-Tuesday. See what’s happening up north at the Larimer County Fair and Rodeo. The theme for this year’s fair is “Home Grown,” a salute to all the good things born and raised in Larimer County. In addition to livestock judging and animal demonstrations, this fair includes the Gnarly Barley Brew Fest, the Timber Works lumberjack show and, of course, lots of carnival rides. Another big highlight, as always, is three nights of rodeo presented by the Professional Rodeo Cowboys Association. 4-10 p.m. Friday, 10 a.m. to 10 p.m. Saturday and Sunday, 4-10 p.m. Monday and Tuesday. Carnival rides run until midnight each night. Rodeos start at 7 p.m. Sunday through Tuesday. The Ranch and Budweiser Events Center, 5280 Arena Circle, Loveland; 970-619-4000. Admission is free. Rodeo tickets are $8-$12 in advance at budweisereventscenter.com. Visit larimercountyfair.org for more information.

Friday-Saturday. The Historic Denver organization marks its 40th anniversary with “Night and Day in Historic Denver,” a two-stage birthday party. Friday, grown-ups can enjoy a swanky “time-traveling gala” with music, food and cocktails from each of Historic Denver’s four decades. The whole family’s invited on Saturday for an outdoor fair, featuring live music, food, storytellers, history tours and more. 7-11 p.m. Friday. St. Cajetan’s Church, 9th and Lawrence Streets on the Auraria Campus. Tickets are $40 for Historic Denver members, $50 for nonmembers, $100 for patron-level VIP tickets. 2-9 p.m. Saturday. 9th Street Historic Park, Auraria Campus. Admission is free. Learn more and purchase tickets at historicdenver.com.

Friday-Sunday. The fantastic journey of James Trotter and a gang of giant insects comes to life in Northglenn Youth Theatre’s production of “James and the Giant Peach.” The lighthearted tale follows James as he escapes from his nasty aunts Spiker and Sponge with the help of a magic potion and gigantic peach. James, the peach and its enchanted residents go on a crazy adventure across the ocean, and everyone lives happily ever after. Except Spiker and Sponge. 10 a.m. and 7 p.m. Friday, 7 p.m. Saturday, 2 p.m. Sunday. D.L. Parsons Theatre, 11801 Community Center Drive, Northglenn; 303-450-8800. Weather permitting, Sunday’s performance will be outdoors at E.B. Rains, Jr. Memorial Park, across the street from the theatre. Tickets are $7.50 for adults, $6.50 for students and seniors. Visit dlparsonstheatre.org for more information.

Saturday. The town of Limon celebrates the 100th birthday of the Limon train depot with a Heritage Festival. Stop by for live performances, craft demonstrations and an antique machinery show. Youngsters can hop on kiddie rides, pet animals and get their faces painted, too. Take a tour through a quilt show in Limon’s town hall, and pick up a homemade pie to take home. 10 a.m. to 2 p.m. Saturday. Limon Depot and Railroad Park, 899 1st St., Limon. Admission is free. For more information, call 719-775-8605.

Sunday. The whole family can join the fight against cancer at the Step Up for Cancer stair-climb race. Held on the stadium stairs of Dick’s Sporting goods Park, the course covers nearly 1,800 steps — participants can challenge themselves to race, or just complete the course in their own time. Those who’d rather avoid the stairs can do a flat version of the course on the field. Live music, massage stations and a kids’ area will keep the event lively, and more than 40 cancer organizations will be on-hand to provide information. 7-11 a.m. Sunday. Dick’s Sporting Goods Park, 6000 Victory Way, Commerce City; 303-727-3500. Advance registration is $30 for adults, $20 for youth, seniors and handicap participants. On-site registration begins at 6:30 a.m. Sunday. To register and learn more, visit stepupforcancer.org.

-Kathleen St. John