The Greig Steiner Gallery (GSG) has been an active part of the Town of Estes Park for 66 years up to now. Principal artist - Greig- is known for paintings of Rocky Mountain National Park and environs. His work - paintings, sculpture, installation etc. are owned in every state and many foreign countries. Major works may be seen in the Presidential Library of Harry S. Truman, in the Air Force Academy, University of Colorado, Citrus College - Calif., Colorado State University among many others. Latest major installation by GSG was completed in 2023; a restoration and remounting of a collection of 300 yr. old sculptural figures owned by the St. John XXlll Catholic Church, Ft. Collins, Co. in a six year project. The displays fill the church and welcome sightseers from around the country.

Greig is also known for his many designs of stage settings from 1959 to present day - upwards of 300 - in a wide variety of theaters and TV studios.