Muench’s work has been exhibited in numerous museums and galleries, including the Santa Barbara Museum of Art, and Mountain Light Gallery in Bishop, California. A shared exhibit with Ansel Adams and Jack Dykinga was mounted at the Phoenix Art Museum, The Center for Creative Photography, and the Museum of Northern Arizona. He was commissioned by the National Park Service to provide 33 photographic murals presenting the landscapes of the Lewis and Clark expedition. These are on permanent display at the Jefferson Expansion Memorial under the Arch in St. Louis. Monumental in concept, the 15 foot tall panels extend more than 350 feet along their wall. His work also hangs in numerous private collections. He has published over 50 exhibit format books.