St. Joseph on the Brandywine

Holladay-Harrington House is a historic estate located at Greenville, New Castle County, Delaware. It was designed about 1927 by noted Delaware architect E. William Martin. It is a 2+1⁄2-story, three bays wide, stuccoed dwelling in the Colonial Revival style. The house has a hipped roof with wide overhanging eaves, projecting pavilion-like side sun porches, and French doors in all three first floor bays. The property includes a contributing garage, three small greenhouses, driveway pillars, fountain and concrete pool, retaining wall, metal fencing with grape design near greenhouses, and landscape features.It was listed on the National Register of Historic Places in 2004.

Brindley Farm is a historic home and farm located near Wilmington, New Castle County, Delaware. The house, known as Crooked Billet, was built about 1750, and is a 2+1⁄2-story, five bay, stone structure, with later rear wings and a modern side porch. Also on the property are a contributing frame barn and carriage house, dated to 1807. The property has been owned by only two families since 1750, and the house once operated as an inn or tavern. The Du Pont family has owned the property since 1864.It was added to the National Register of Historic Places in 1976.

Monroe Park is an unincorporated community in New Castle County, Delaware, United States. Monroe Park is located west of the interchange between Delaware Route 100/Delaware Route 141 and Delaware Route 52 in Greenville.

Breck's Mill Area, also known as Breck's Mill Area-Henry Clay Village Historic District, is a national historic district located along Brandywine Creek in unincorporated New Castle County, Delaware, near Wilmington. It encompasses 56 contributing buildings, five contributing sites, and three contributing structures. The district encompasses The Mill, The Workers' houses, and The Mill Owner's Home. Breck's Mill was built in 1813 and rebuilt in 1846 after a fire. It is a three-story, stone structure measuring 55 feet by 43 feet. It features a stone bell tower with a top floor of brick. The Henry Clay Village area includes small single or double workers' houses, the Charles I. du Pont house (1823), Ernest du Pont house (1916), William F. Raskob house , Hagee's Tavern, Greenhill Presbyterian Church, and the original building for the Alexis I. duPont High School (1893). "Rokeby" was built in 1836, and is a two-story, rectangular dwelling in a late Federal style. It measures 55 feet wide and 26 feet, 4 inches, deep, and features a two-story portico overlooking the Brandywine. It was built by mill owner William Breck for his new wife Gabrielle du Pont and is thought to be modeled on Louviers. The mill closed in 1854. It has been a recreational center off and on since 1890. Breck's Mill houses the post office for Montchanin, Delaware, Somerville Manning Gallery, and André Harvey's sculpture studio. It was added to the National Register of Historic Places in 1971 and amended in 1988.

Westover Hills is an unincorporated community in New Castle County, Delaware, United States. Westover Hills is located west of North Dupont Road between Delaware Route 48 and Delaware Route 52 west of Wilmington.

Walker's Mill and Walker's Bank, also known as Simsville, Siddall's Mill, and "Big White Mill", is a historic spinning cotton mill and worker's dwelling block located near Wilmington, New Castle County, Delaware. Walker's Mill was built between 1813 and 1815, and is a 2+1⁄2-story, "T"-shaped, stone building.

Along Delaware Route 141 there are a number of historic sites that trace the history of both the Du Pont family and the DuPont company. At the southwest end is DuPont’s Chestnut Run Plaza and at the northeastern end is the Alfred I. duPont Hospital for Children. Between are a number of sites on the National Register of Historic Places. The historic locations include equal portion of the history of the American chemical industry, the role of the DuPont family - their estates and gardens - and the philanthropy of a distinguished American family.

Greenville is a bedroom community in New Castle County, Delaware, United States, and a suburb of Wilmington. The population was 2,326 at the 2010 census. For statistical purposes, the United States Census Bureau has defined Greenville as a census-designated place (CDP). The community is also home to Joe Biden, the president of the United States, and many Du Pont family descendants.

The Jacob Broom House, also known historically as Hagley, is a historic house on Christchurch Road near Montchanin, Delaware. It was built in 1795 by Jacob Broom, one of the Delaware signers of the United States Constitution. The house was purchased in 1802 by Éleuthère Irénée du Pont, progenitor of the prominent Du Pont family and founder of the DuPont chemical concern, who established the Eleutherian Mills below the house on the banks of Brandywine Creek. The house, which remains in the hands of Du Pont descendants, was declared a National Historic Landmark in 1974, for its association with Broom.

Tower Hill School is a private college preparatory school in Wilmington, Delaware, offering instruction for pre-school through 12th grade.

Brandywine Manufacturers Sunday School, also known as Sunday School and Hagley Office, is a historic Sunday school building located near Wilmington, New Castle County, Delaware. It was built in 1817, and is a one-story, rectangular stone building. It measures 31 feet by 65 feet and features an Ionic order columned portico and school bell tower. Also on the property is a contributing spring house. It was built for workers, old and young, to learn the basics of reading, writing, and "ciphering," and remained in use as a school until 1851. From 1902 to 1921, it was the Hagley Yard office of the E. I. du Pont de Nemours Company. It was then converted to a private dwelling.It was added to the National Register of Historic Places in 1972.

Alexis I. duPont High School (AI) is a public high school located in Greenville, Delaware with a Wilmington postal address. It is one of the four schools offering grades 9–12 in the Red Clay Consolidated School District. 807 students were enrolled during the 2019–2020 school year. Areas zoned to AI come from portions of Wilmington and several suburbs, including Greenville, most of Hockessin, a portion of North Star, and Centreville, as well as nearby Breck's Mill. In Wilmington, it serves the historic districts of Cool Spring Park, Delaware Avenue, and Wawaset Park.In 2020, the high school was the site of the first campaign event featuring Democratic presidential nominee Joe Biden and his running mate Kamala Harris.