Fort Laramie State Park

This Army compound is mostly refurbished and people are manning different locations in period costumes.  Dogs are welcome here except inside buildings.  You can tour the chow hall, barracks, officer quarters, pub, and vegetable garden.  There is also a visitors center stocked with many military and Indian books.  They do have a guided tour, but we chose to walk the complex with Buddy.
There is a great picture of Aggie and Buddy relaxing in front of the settlers RV.