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Campus Martius Museum

The Campus Martius Museum highlights migration in Ohio's history. The museum is on the site of the fortification built by the Ohio Company of Associates, as their headquarters, in 1788 when they founded the first organized American settlement in the Northwest Territory. The restored Rufus Putnam house, part of the original fort, is now enclosed within a wing of the museum. Behind the museum is the Ohio Company's Land Office.

Exhibits on the main floor of the museum focus on the early settlement of Marietta and Ohio and contain many of the original pioneer artifacts. The exhibits also explore the prehistoric Indian Populations that occupied this area and relations with the historic Indians as the white settlers moved in. Other areas explore such topics as surveying of the land, early government in the old Northwest Territory, and life in early Marietta. A separate area exhibits a variety of material from the Marietta area down through the years, from items of household furnishings, to toys, to tools, to fire prevention equipment.

Campus Martius Museum
601 Second Street

Marietta, Ohio 45750

Phone Number(s)

Toll-Free: (800) 860-0145


Sunday: 12:00 PM - 5:00 PM
Monday: 9:30 AM - 5:00 PM
Wednesday: 9:30 AM - 5:00 PM
Thursday: 9:30 AM - 5:00 PM
Friday: 9:30 AM - 5:00 PM
Saturday: 9:30 AM - 5:00 PM

Special Hours:


Calendar of Events


Adult: 7.00 - 7.00
Members: FREE
Ohio Historical Society
Student: 4.00 - 4.00
Child: FREE
5 and under

Accepted Forms of Payment

Cash, Mastercard, Visa



Campus Martius Museum

This museum tells the story of the Northwest Territory and the first city in Ohio--Marietta.

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