When the sun goes down, bats take wing and search the night skies for tasty insects. Bring the whole family to see photos and learn about these mysterious flying mammals. Ronal Kerbo, a former cave resource specialist for the U.S. National Park Service, will share mysterious details on where bats live, what they eat, and how they survive in places like Colorado.

Unpack the sleeping bags for a night under the stars. Children will cook over an open fire, sing campfire songs, and make s’mores before waking up to birds singing from the cottonwoods. All you need is a sleeping bag and a tent; dinner, breakfast, and activity supplies are included. Ages six to 10. Sat 5:30 p.m.-Sun 10 a.m.

Trade in jeans and crayons for scrubs and scalpels for a day of biological discovery. Budding surgeons will have the chance to dissect chicken wings, sheep lungs and hearts, and cow eyes. They’ll also study real human bones, listen to their own heartbeats, and test for poisonous gases in their lungs. Sat 9 a.m.-3 p.m.