Slater Memorial Museum

The Chelsea Parade Historic District encompasses a predominantly residential area north of downtown Norwich. Centered around the Chelsea Parade, a triangular public park, the area has long been a preferred residential area for the city's upper classes, and includes a catalog of architecture from the 18th to 20th centuries. It includes 565 contributing buildings, two other contributing sites, and six contributing objects over an area of 205 acres (83 ha). The district was listed on the National Register of Historic Places in 1989.

The Converse House and Barn are a historic residential property at 185 Washington Street in Norwich, Connecticut. Built about 1870 for a local businessman and philanthropist, it is a prominent local example of High Victorian Gothic architecture. The property was listed on the National Register of Historic Places in 1970, and is included in the Chelsea Parade Historic District.

The Perkins-Rockwell House is a historic house museum at 42 Rockwell Street in Norwich, Connecticut. Built in 1818, it is locally distinctive as a well-preserved stone house of the Federal period, and for its association with the locally prominent Perkins and Rockwell families; this house was home to John A. Rockwell, a prominent local lawyer who married into the Perkins family, and also served as a member of Congress. The house was listed on the National Register of Historic Places on October 17, 1985. The house is currently owned by the Faith Trumbull Chapter of the Daughters of the American Revolution (DAR), along with the adjacent Nathaniel Backus House.

The Norwich Free Academy (NFA), founded in 1854 and in operation since 1856, is a coeducational independent school for students between the 9th and 12th grade. Located in Norwich, Connecticut, the Academy serves as the primary high school for Norwich and the surrounding towns of Canterbury, Bozrah, Voluntown, Sprague, Lisbon, Franklin, Preston, and Brooklyn. It was recognized by the U.S. Department of Education as a National Blue Ribbon School of Excellence in 2001. Incorporated in 1855 by an act of the Connecticut Legislature, the Academy is an independent school and operates as a privately endowed educational institution that is governed by its board of trustees. One of the state's three endowed, independent academies, the Connecticut State Department of Education refers to the Academy as "a privately governed, endowed, regional independent school."In addition to serving Norwich and surrounding communities, NFA also educates private tuition students. NFA is a member of the Connecticut Association of Independent Schools.

The Nathaniel Backus House is a two-story Greek Revival clapboarded house with a gable roof in Norwich, Connecticut. The house was built around 1750 by Nathaniel Backus and served as his home, it was later moved to its current location in 1952. The house originally began as a Colonial, but was greatly modified to Greek Revival around 1825, reconfiguring the central door to the left of the facade and adding two chimneys. The house is a historic house museum operated by the Faith Trumbull Chapter of the Daughters of the American Revolution. The Nathaniel Backus House was submitted to the National Register of Historic Places for its historical value in local history and as an example of Greek Revival domestic architecture. It was listed on the National Register of Historic Places (NRHP) in 1970 and was also included in the Chelsea Parade Historic District in 1989.

The Cathedral of Saint Patrick in Norwich is a cathedral of the Roman Catholic Church located in Norwich, Connecticut. It is the mother church of the Diocese of Norwich and is the seat of its prelate bishop.

The Diocese of Norwich (Latin: Diœcesis Norvicensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Connecticut and a small part of New York. It was created on August 6, 1953, by Pope Pius XII. Its canonical territory consists of the Connecticut counties of Middlesex, New London, Windham and Tolland. It also includes Fishers Island in New York. The Diocese of Norwich is one of three Roman Catholic Dioceses in the United States to have territory in more than one state, the others being the Diocese of Gallup and the Diocese of Wilmington. (The Washington archdiocese has DC and 5 Maryland counties.) From 1781, Lebanon, just northwest of Norwich, is the place in which the Catholic "Mass was first celebrated, continuously and for a long period, within the limits of the State of Connecticut."

The Broad Street School is a historic former school building at 100 Broad Street in Norwich, Connecticut. The school was designed by New York City architect Wilson Potter and built in 1897. It is a well-executed and well-preserved example of Romanesque styling, and was the largest school built as part of a major construction program by the city. The schoolhouse was listed on the National Register of Historic Places on January 19, 1984. It has been converted to residential use.

The Yantic Falls Historic District encompasses a historic mill and associated worker housing on Yantic Street in Norwich, Connecticut. The 10-acre (4.0 ha) area includes a complex of mill buildings, mainly built in brick, and mill worker housing, also out of brick. The area's industrial history dates to the early 19th century. The district was listed on the National Register of Historic Places on June 28, 1972.

The Jail Hill Historic District encompasses a 19th-century working-class residential district in Norwich, Connecticut. Located on a steep hill overlooking downtown Norwich, it was populated first by African Americans, and then by Irish immigrants. Some early African-American residents played significant roles in bringing expanded rights and education to others. The district was added to the National Register of Historic Places on April 19, 1999.

The Little Plain Historic District is a predominantly residential historic district located in Norwich, Connecticut. When originally listed in 1970, it was centered on Little Plain Park, located about halfway between modern downtown Norwich and the Norwichtown green, the colonial center of the town. From the late 18th century onward this area became a desirable and fashionable area to live, as it was closer to the growing port area of the city. The area was mostly built out by about 1875, and features a rich concentration of Greek Revival, Gothic Revival and Italianate houses, although older and later styles are also represented. The district was listed on the National Register of Historic Places in 1970 and enlarged in 1987. The 1987 enlargement expanded the district southward along Union Street and Broadway, to abut the Downtown Norwich Historic District, and increased the district's size from 30 acres (12 ha) to 38.8 acres (15.7 ha).Little Plain Park is a long and narrow triangular parcel bounded on the east by Broadway, the wet by Union Street, and the south by Crossway Street. It was donated to the city by Deacon Jabez Huntingdon and Hezekiah Perkins, whose houses stand at 181 and 185 Broadway. Both are prominent examples of Georgian architecture to which Federal styling was later applied. The Dewitt-Sigourney House, at 189 Broadway, was built later in the 19th century for a ship's captain, and is a more pure example of Federal styling. The Woodhull and Johnson Houses at 167 and 171 Broadway are fine examples of Greek Revival architecture, built for merchants and ship owners.The district includes buildings designed by Norwich architects James A. Hiscox and Joshua W. Shepard.

The Telephone Exchange Building is a historic building at 23 Union Street in downtown Norwich, Connecticut, behind Norwich Town Hall. Built in 1906-07, it was the first purpose-built telephone exchange building in the city, and is a little-altered example of period exchanges built by the Southern New England Telephone Company. The building now houses city offices. It was listed on the National Register of Historic Places on November 28, 1983.