Historic St. Mary's Mission is located in the Bitterroot Valley under the shadow of St. Mary's Peak, which rises over 4,000 feet from the valley floor. The mission dates from the early 1840s, and was created by three Jesuit Missionaries for the purpose of enlightening the local American Indian population.

The mission offers guided tours. The website offers a history of the mission, brief biographies of the founders of the missionary, a photo tour of the mission, and visitor information.

The Lewis and Clark expedition camped here twice during their historic journey to locate the elusive Northwest Passage in 1805 and 1806. For countless generations before that Indian people used this area as a camping crossroad.

A second website for the site, maintained by the Travelers' Rest Preservation and Heritage Foundation, can be found here.

The site offers tours, educational programs, workshops, and occasional recreational and educational events (including living history events).

The Fort Assinniboine Historic Site preserves the site of what was once the largest military fort west of the Mississippi River, with 104 structures over 700,000 acres. Founded in 1879, the soldiers of Fort Assinniboine protected settlers from Sitting Bull's Lakota Sioux and other Native Americans. Other responsibilities included patrolling the U.S.-Canada border and preventing the Blackfoot Confederacy, Montana Indian Reservations, and Canadian Native Americans from acting against Euro-American settlers. The fort's location was selected as the nexus of several Native American trails. The site currently serves as an agricultural research center.

The site offers guided tours. Reservations are required for groups.

Fort Benton is located on the banks of the Missouri River and served as a fur trading outpost. The fort was abandoned in the 1860s, and was occupied briefly by the U.S. military before it was finally abandoned for good in 1871. The fort has recently undergone an extensive renovation, and now serves as a museum of Montana history.

The fort offers exhibits, guided tours, and special events. The website offers visitor information and brief history of the fort.

Situated within the Crow Reservation in south-central Montana, this park was the home of Plenty Coups, last chief of the Crow. This park preserves the log home, sacred spring, and farmstead of Chief Plenty Coups. The small visitor center that traces the story of Chief Plenty Coups's life, and of the chief's efforts to lead his people in adopting the lifestyle of the white man.

The site offers exhibits, tours, and occasional recreational and educational events.

Bannack State Park is the site of Montana's first major gold discovery on July 28, 1862. This strike set off a massive gold rush that swelled Bannack's population to over 3,000 by 1863. As the value of gold steadily dwindled, Bannack's bustling population was slowly snuffed out. There are over 50 buildings that line Main Street with their historic log and frame structures that recall Montana's formative years.

A second website for the site can be found here.

The site offers exhibits, tours, educational programs, and occasional recreational and educational events (including living history events).

The Mai Wah Society is dedicated to preserving the history of Asian immigrants in the Rocky Mountain region. The Mai Wah Society has worked to Mai Wah Noodle Parlor buildings, which now serve as a museum of the culture and heritage of Asian immigrants in Butte, Montana.

The museum offers exhibits, tours, and occasional special events, including a Chinese New Year celebration. The website offers visitor information and a brief history of the building which houses the museum.

The Heritage Museum presents the history of Lincoln County, Montana. Exhibit topics include transportation, explorers, fur trappers, the Kootenai people, mining, logging, and the natural environment. Period rooms display 19th-century life.

The museum offers exhibits and period rooms. Tours can be arranged by appointment. The museum is only open during June, July, and August.

St. Ignatius Mission is an 1890s religious structure located in the present-day Flathead Indian Reservation. The mission contains 61 paintings by one of its brothers. Paintings include depictions of the Salish Lord. A museum presents artifacts related to both the mission and Native American peoples.

The mission offers exhibits.

The Stumptown Historical Society seeks to preserve and share the history of the Flathead Valley and Whitefish, Montana. The society operates a museum, housed within a working railway depot, built 1927. Collections include railroad and community artifacts.

The museum offers exhibits, and the website contains a number of historical photographs.