The Colleyville Nature Center contains 46 acres of natural refuge located at 100 Mill Wood Drive, Colleyville. Here, nature is allowed to take its course, Colleyville Parks and Recreation Director Lisa Escobedo said. It serves as a place for birdwatchers and nature enthusiasts. The Friends of the Colleyville Nature Center Facebook group has more than 1,600 members who can share their nature sightings.