Winthrop Mill

The Hodges Square Historic District of New London, Connecticut encompasses a working-class residential area north of the city's central business district. It is located between the campus of the United States Coast Guard Academy and Interstate 95, and is bounded on the west by Williams Street and the east by the Thames River. This area developed as a modest working-class residential area in the mid-19th century, when New London's economy began shifting from one based on maritime pursuits to one based on manufacturing. The area's residents were typically employed in nearby silk manufacturing operations, or by the Central Vermont Railroad, which had a roundhouse and service yard nearby. Hodges Square, a small cluster of commercial buildings, forms the economic center of the neighborhood.The district was listed on the National Register of Historic Places in 2017.

The Wethersfield Village Cemetery is a historic burying ground in Wethersfield Connecticut that was started in 1638, and is the second oldest burial ground in Connecticut.

Ye Antientist Burial Ground is a cemetery in New London, Connecticut, bounded by Hempstead Street on the west and Huntington Street on the east, running from Granite Street to approximately Bristol Street. It has been known by several names over the years, many spelling variations on Ancient Burial Ground. It is one of the earliest graveyards in New England and the oldest colonial cemetery in New London County. The hillside lot of 1.5 acres (6,000 m2) and adjoins the site of New London's first meeting house. The settlement at the time was called "Pequot Plantation" until the name changed in 1658. From the burial grounds, the visitor has a broad view to the east of the Thames River and, on the far shore, the heights of Groton, Connecticut.

Gershom Bartlett (February 19, 1723 – December 23, 1798) was a stone carver who carved tombstones in colonial Connecticut and Vermont. His carved gravestones are widespread in colonial burying grounds in eastern Connecticut as well as towns in Vermont and New Hampshire near the Connecticut River.Highly prolific, Bartlett accepted work from both the rich and poor, and produced some 1,000 grave stones. He signed his later works; the rest are attributed from Probate records or deduced based on style. His output has been described as including "some of the strangest, almost bizarre carvings made during the eighteenth century." Bartlett is sometimes referred to as the "Hook and Eye man" due to the unique designs based on the old "Hook and Eye" garment he carved on his stones.

The Bulkeley School is a historic school building at 1 Bulkeley Place at the intersection of Hempstead Street in New London, Connecticut. It is a High Victorian Gothic stone structure, built in 1871–73 to a design by Leopold Eidlitz, with numerous additions. It was a private boys high school until 1951, educating generations of city leaders. The building was listed the National Register of Historic Places on August 13, 1981, for its architecture and its role in the city's development. It is now home to the Regional Multicultural Magnet School (RMMS), grades K-5.

The Post Hill Historic District encompasses the oldest settled area of New London, Connecticut.

The Prospect Street Historic District encompasses approximately 5.5 acres northwest of the central business district of New London, Connecticut. The district is bounded by Bulkeley Place on the north, Hempstead Street on the west, Federal Street on the south and Huntington Street on the east. Prospect Street bisects the district on a north-south axis. The residential area includes 24 buildings, most of which are Greek Revival or Italianate houses built between 1838 and 1859. The area was developed in response to local demand for increased middle-class housing, and the dense development and modest scale of the buildings is reflective of this objective.The district was listed on the National Register of Historic Places on July 31, 1986.

The Acors Barns House is located at 68 Federal Street at the corner of Meridian Street in New London, Connecticut. Barns was a wealthy merchant in the whaling industry whose company became one of the largest whaling firms in the city. He managed to avoid the collapse of whaling by investing elsewhere; he was the founder of the Bank of Commerce in 1852, and his son and grandson succeeded him as president. Built in 1837, the Acors Barns House is a two-and-one-half story Greek Revival house with a gable roof and clapboarded exterior. The front facade of the house is five bays wide with a Greek Revival portico leading to the main entrance. Additions to the house include a projecting center dormer, and second-story projection over a partially enclosed veranda. The plain exterior is contrasted by interior's elaborate hall ceilings, detailed woodwork and arched marble fireplaces. Journalist David Collins wrote in The Day newspaper that the Acors Barns house is a "fine and rare example" of architecture that is especially important to New London. The Acors Barns House was added to the National Register of Historic Places (NRHP) on April 22, 1976.

The Nathan A. Woodworth House is a historic house at 28 Channing Street in New London, Connecticut. Built in 1890, it is a high quality example of transitional Queen Anne and Shingle style architecture. It was listed on the National Register of Historic Places on June 1, 1982, and is part of the Post Hill Historic District.

Whale Oil Row is a collection of four similar, high-quality Greek Revival houses standing side by side at 105–119 Huntington Street in New London, Connecticut. All were built for developer Ezra Chappel between 1835 and 1845 by Charles Henry Boebe, and they exemplify the wealth and taste of New London's whaling-funded upper class. They were added to the National Register of Historic Places in 1970.

The Williams Memorial Park Historic District is located in New London, Connecticut, roughly bounded by Hempstead, Broad, Mercer and Williams Streets, with houses on Broad Street south to Cottage Street included. Williams Memorial Park – which was designed by Frederick Law Olmsted – is also included, as is the Civil War monument located there; 16 houses are part of the district, while two buildings – a brick office building at 43 Broad Street and an apartment building at 127 Hempstead Street, are non-contributing properties. Four of the six outbuildings in the district are contributing. Nine different architectural styles are represented in the district. The area was developed through the efforts of members of the locally prominent Williams family, whose fortune was made in the whaling industry, and contains some of New London's finest late-19th century architecture. The district was listed on the National Register of Historic Places on December 3, 1987.

The Jonathan Newton Harris House is at historic house at 130 Broad Street in New London, Connecticut. Completed in 1860 to a design by Leopold Eidlitz, it is a major local example of Italianate and Renaissance Revival architecture. It was built for Jonathan Newton Harris, a prominent local businessman who was mayor of New London at the time of its construction. The house was listed on the National Register of Historic Places on April 27, 1982. It is now home to New London's United Methodist Church.