Text-only site map. Click here to get reminders about upcoming DMNH events and special web site offers! Dallas Museum of Natural History 3535 Grand Avenue in Fair Park Dallas, Texas Email: Info@dmnhnet.org Voice: 214-421-DINO FAX: 214-428-4356 The Dallas Museum of Natural History is a Smithsonian Institution affiliate and is accredited by the American Association of Museums (AAM) and is ...