Where is the Western Heritage Museum in Omaha Nebraska located?

There is no Western Heritage Museum in Omaha, Nebraska.

However, there is a very well-known National Museum of Wildlife Art in Jackson, Wyoming. Perhaps you were thinking of this museum?

If you are interested in Western history and art in Omaha, you may want to check out the Joslyn Art Museum, which has a collection of American West art, including paintings, sculptures, and artifacts.