Washington State Park

This 1,875-acre park features prehistoric petroglyphs, rock carvings, from the Mississippian Native American culture that inhabited the area around 1,000 years ago. The park is noted for many stone structures that were built by the CCC during the depression and for the natural beauty of the eastern Ozarks and features swimming, fishing, camping, rental cabins, and hiking trails.

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Victorian Home Museum

Built in 1866 by a successful German immigrant, the St. Clair County Historical Society has furnished this Victorian Greek Revival house in the manner of a typical upper class Victorian family. On display are 19th century furnishings by local craftsmen, changing displays of vintage clothing, quilts, and other artifacts from St. Clair County.

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St. Peter's Cathedral

Completed in 1866, St. Peter’s Cathedral is the largest cathedral in the state of Illinois and is modeled after the Cathedral of Exeter, England and its English Gothic style of architecture, which utilizes high, pointed arches aiming towards heaven. Prominent features of the Cathedral include sculpture and stained glass, the north nave and baptistery, the Marian Shrine, the south nave, and the sanctuary area.

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Martin-Boismenue House

Built in the late 18th century the Martin-Boismenue House, this French colonial style home has two large rooms on the first floor, a basement cooking area, an attic, and two broad open porches on the front and back, known as galleries. The building and period furnishings provide a glimpse into the lifestyle of local villagers at the time of Lewis and Clark.

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Holy Family Parish Log Church

This functioning Catholic Church is the second church to occupy the site since 1699. The present building was completed in 1799 and is an example of the dominant French colonial post-on-sill vertical timber style of construction. Given the importance of the church to the community it is probable that Lewis and Clark visited, worshiped, or attended community gatherings at this church.

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Cahokia Courthouse

Originally built about 1740 as a private residence, the Cahokia Courthouse is an excellent example of early French log construction known as poteaux-sur-solle, (post-on-sill foundation.) In 1790 the building became the administrative and judicial center for St. Clair County. The courthouse was reconstructed in 1940 and now serves as a museum illustrating French Colonial life and the Lewis and Clark era.

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The Labor & Industry Museum

Devoted to the history of the labor and industry of Belleville and southwestern Illinois, the Museum chronicles the region’s contribution in the late 19th century. Located in the Conrad Bornman House on historic Church Street, the building, which has undergone an extensive renovation, houses permanent and special exhibition galleries, as well as an educational center and archives.

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Peterstown House

Peterstown House is a restored 1830s building began as a general store, tavern, and inn for stagecoach travelers on the Kaskaskia Trail. The Peterstown Heritage Society rescued the building from demolition and it is now a museum furnished with antique furniture of the mid-1880s.

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Pierre Menard Home State Historic Site

Built in the early 19th century for local fur trader, entrepreneur, and Illinois' first Lt. Governor Pierre Menard. The home is the one of the finest examples of French Colonial architecture in the middle Mississippi River valley.

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Fort Kaskaskia State Historic Site

Situated on bluffs overlooking the Mississippi River, this site preserves the remnants of the fort that protected the city that was once the administrative center for the French in the Mississippi Valley. Garrison Hill cemetery is located on the grounds.

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