August 5-6

• 9th Annual Antique Engine & Machinery Show, Ault, Colo., (970) 224-3957 or (970) 371-8753.

August 5

• Bobcats: Masters of Hide and Seek, 7 p.m. at Hermit Park Open Space, Estes Park, Colo., (970) 679-4489.

August 6

• 20th Heritage Day Festival, 9 a.m., Limon, Colo., (719) 775-8605.

• Wiley Coyotes, 7 a.m., Devil’s Backbone Open Space, Loveland, Colo., (970) 679-4489.

• Big Birds, 8 a.m., River Bluffs Open Space, Windsor, Colo., (970) 679-4489.

• Map and Compass Orientation, 9 a.m., Red Mountain Open Space, Fort Collins, Colo., (970) 679-4489.

August 8

• Toddler Talk: Where Do Animals Live?, 10 a.m., Devil’s Backbone Open Space, Loveland, Colo., (970) 679-4489.

• Hey Kids! Where Do Wild Animals Live?, 10 a.m., Devil’s Backbone Open Space, Loveland, Colo., (970) 679-4489.

August 9

• Canning Basics for Safe Preserving, 6-8 p.m., Larimer County Extension Office, Ft. Collins, Colo., (970) 498-6000 or http://www.Larimer.org/ext.

August 11-12

• 2011 Grass Tour hosted by Pawnee Buttes Seed & CSU Extension, 8 a.m.- 5 p.m., Greeley, Colo., (970) 356-7002 or (800) 782-5947.

August 11

• Photographing Architecture Through The Lens Of Jim Digby, 6 p.m., Soderberg Open Space, Fort Collins, Colo., (970) 679-4489.

August 13

• Bear Necessities, 10 a.m., Hermit Park Open Space, Estes Park, Colo., (970) 679-4489.

August 17

• Horsetooth Is Blooming, 8 a.m., Horsetooth Mountain Open Space, Fort Collins, Colo., (970) 679-4489.

August 20

• Antlers and Horns, 10 a.m., Hermit Park Open Space, Estes Park, Colo., (970) 679-4489.

• Chili Cook-Off Competition, Kathy Glode Park, Saratoga, Wyo., (307) 326-8855 or director@saratogachamber.info.

August 21

• Devil’s Backbone: Millions Of Years In The Making, 9 a.m., Devil’s Backbone Open Space, Loveland, Colo., (970) 679-4489.

August 22

• Toddler Talk: Butterflies and Blossoms, 10 a.m., Devil’s Backbone Open Space, Loveland, Colo., (970) 679-4489.

• Hey Kids! Butterflies and Blossoms are All Around!, 10 a.m., Devil’s Backbone Open Space, Loveland, Colo., (970) 679-4489.

August 25-26

• Rangeland Monitoring School -Land EKG -Charley Orchard, Colorado Springs, Colo., (719) 683-7960.

August 25-27

• Cheyenne Heritage Quilters’ 27th Annual Quilt Show, 4 p.m., First United Methodist Church, Cheyenne, Wyo., (307) 634-0463 or http://www.chquilters.org.

August 26-28

• Yesteryear Farm Show, Longmont, Colo., (303) 776-9859.

August 27

• Nature’s Supermarket, 8:30 a.m., Devil’s Backbone Open Space, Loveland, Colo., (970) 679-4489.

• Mountain Wildflowers, 9 a.m., Hermit Park Open Space, Estes Park, Colo., (970) 679-4489.

• Survival: Fire, Water, Food, 9 a.m., Bison Visitor Center, Loveland, Colo., (970) 679-4489.

August 29

• Canning Jams, Jellies and More, 6-8 p.m., Larimer County Extension Office, Ft. Collins, Colo., (970) 498-6000 or http://www.Larimer.org/ext.

August 30-31

• Rangeland Monitoring School-Land EKG- Charley Orchard, Alamosa, Colo., (719) 683-7960.

August 31

• Viva Salsa!, 6-8:30 p.m., Larimer County Extension Office, Ft. Collins, Colo., (970) 498-6000 or http://www.Larimer.org/ext.

• Exploring No-Till and Cover Crops Workshop, 9:30 a.m.-3:30 p.m., Wray, Colo., (970) 332-3173 ext. 3.