Greybull Museum 325 Greybull Ave Greybull, WY 82426 US Website (307) 765-2444 Email Get Directions Details Wrapper Description Description War memorabilia, Indian artifacts, old antique dishes, cookware, fossils and photos. April and May open five days a week from 1 – 5 p.m. Related Content Fall in Love with Cheyenne Your 10-day road-trip itinerary to Wyoming’s Carbon County A Long Weekend in Converse County 10 Ways to Love Our Public Lands