Audubon State Historic Site (South of St. Francisville on LA 965) - The nearly 200-year-old Oakley House is where John James Audubon drew inspiration and sketched many of the birds found in his famous Birds of America. The visitor may tour the house-turned-museum, formal gardens, an outside kitchen building and barns, walk the trails and enjoy a picnic lunch at the large pavilion nearby.
Centenary State Historic Site (East College and Pine Street in Jackson) - This is the former site of Centenary College. Visitors may tour the old West Wing dormitory or a professor's cottage, and learn about the history of education in Louisiana. A Confederate cemetery is located on the grounds.
Port Hudson State Historic Site (US 61, 30 minutes north of Baton Rouge) - This 909-acre site encompasses part of the Port Hudson Battlefield Civil War Site. Featured are six miles of hiking trails, 11/2 miles of trenches, a museum and interpretive programs. Fort Desperate, a primary Confederate position, is accessible by a concrete walkway and elevated wooden boardwalks.
Rosedown Plantation State Historic Site (In St. Francisville on La. Hwy. 10) - Built during the 1830s, Rosedown had one of the largest private gardens in the U.S. in the 19th century. In addition to the gardens and many original structures, visitors can see many furnishings and items that the Turnbulls themselves brought into the main house.
Iberville Museum (across the street from the lockhouse, south of the Lock) - Built as the Iberville Parish Courthouse in 1849 and later served as Plaquemine's first City Hall, this Greek Revival building served first as the parish and then as the city seat of government until 1985. The building is listed on the National Register of Historic Places and now houses a parish museum.
St. John the Evangelist Catholic Church (located across Main Street from Old City Hall) - Considered the purest example of Italian Romanesque architecture in the South, it features a beautiful balastrino altar. It was completed in 1926.
Old Homes of Turnerville (23230 Nadler Street, just across the bayou, within walking distance of the lock) - Two-century-old, antique-furnished Acadian cottage style homes of La. 1, just north of Plaquemine.
St. Basil's Academy (23515 Church Street, Plaquemine) - Originally built as the Scratchley family mansion and now the residence of former Louisiana Lieutenant Governor Robert L. Freeman and his wife, the building is the only one remaining of the many buildings which served as a Catholic school and residence for the Sisters Marianites of the Holy Cross from 1859 until 1976.
Nottoway Plantation (30970 Hwy. 405, White Castle,) - The South's largest plantation home, built in 1859. This awe-inspiring home is a classic Greek revival structure with 53,000 square feet of floor space and 50 rooms. Tours offered. Bed & Breakfast, restaurant and gift shop.
West Baton Rouge Museum (845 N. Jefferson Avenue, Port Allen) - See a 1904-vintage 22-foot hand-crafted working model of a sugar mill demonstrating the process of making raw sugar from sugar cane, an 1850 plantation cabin and an 1830 French Creole cottage.
Historic Buildings of Plaquemine - Enjoy the architecture of many local homes and businesses, ranging from Queen Anne-style houses to early Colonial structures to the humble Row houses inhabited by lumber yard workers in the early 1900s.
Bayou Plaquemine Waterfront Park (north side of the site, just across Bayou Plaquemine) - The Dutch style of the park's pavilion ties into the nearby Lock facility. The boardwalks offer a scenic view of the bayou, and a place for fishing.