Located in Alturas, the Modoc County Historical Museum contains several exhibits pertaining to the culture and history of Modoc County. Rotating exhibits range from prehistoric cultures to modern residents, to natural history including paleontological exhibits and a taxidermy collection of several local species.
Historic exhibits from the Modoc, Pit River and northern Paiute Tribes include Native American basketry, stone tools, beaded items, feather-work, and an extensive weapons and stone tool collection used by local people. Other prehistoric items such as Mammoth bones can be seen at the museum also.
The Museum contains possessions from every pioneer families who settled in Modoc County. The historic archives contain information and photos on every family and significant events that have shaped the lifestyles of residents since the beginning of Alturas. Early farm tools, Modoc County brands, dairy farms, early businesses, Kober Drygoods store, and household items from the past are exquisitely displayed for public education and entertainment.
Additional rotating historic exhibits include medical equipment, military equipment and uniforms, photography, horsemanship and cattlemen exhibits, local people of celebrity status, musical instruments such as stringed instruments and pianos, a telephone switchboard, movie theater slides, advertising for local businesses in the past, law enforcement, homesteader farm tools, feathered fans, dolls, and glass bottles. All of the items were owned and donated by people of Modoc County.
Displays for the Central Modoc River Center as well the Alturas Chamber of Commerce are also housed within the museum.