Thomas P. Costin Jr. Post Office Building

The Mowers' Block is a historic commercial block at Seven Willow St. and 67-83 Blake Street in downtown Lynn, Massachusetts. It was built in 1891 for the Mower & Brother shoemaking firm. The brick and granite building was built on the site of the Mower's old factory, in which the Great Lynn Fire of 1889 started, destroying not just their factory but a large swath of downtown Lynn as well. When completed, it was the largest building in the burned area.It was added to the National Register of Historic Places in 1982, and was included in the Central Square Historic District in 1985.

The Central Square Historic District is a historic district encompassing the Central Square area of downtown Lynn, Massachusetts. The area is at the confluence of a number of city streets, and includes buildings that border on Central Avenue, Willow Street, Munroe Street, Lake Street, Almont Street. It is a small part of Lynn's "Burned District", a large area of the downtown that was destroyed by fire in 1889. One of the first buildings built after the fire, the Bergengren Block, stands at the corner of Union Street and Central Square. It also includes the Mowers' Block, listed on the National Register in 1982.The district was added to the National Register of Historic Places in 1985.

The Old Lynn High School is a historic school at 50 High Street in Lynn, Massachusetts. The two story wood frame Italianate building was built in 1850 and opened to students in 1851. Originally five window bays in length, it was extended in 1876 by the addition of three bays to reach its present size, measuring 45 feet (14 m) by 95 feet (29 m). It sits on a rise overlooking the downtown area in a residential neighborhood.Inside the building, the first floor shows only traces of its original academic use, having been converted to other uses. The second floor still shows the original classroom layouts, with two classrooms occupying either side of a central hallway in the original part of the building, and a third classroom is contained in the 1876 addition.The building was used by the city for academic purposes for 124 years. It was the city's first high school until 1892, after which it served as a vocational shop for the English High School, which was built across Liberty Street to the west. In 1924 it became the home of the Lynn Independent Industrial Shoemaking School, which operated in the building until 1975. In 2002 the building had been vacant for some time, and was suffering from neglect and vandalism, including attempted arson. The building was rehabilitated and expanded in a historically sensitive way, and is now the facilities of Girls Incorporated of Lynn.The building was listed on the National Register of Historic Places in 2002.

The Old Post Office Building is a historic building in Lynn, Massachusetts. The two-story Colonial Revival building was built in 1897 to serve as the growing city's new post office. It is one of the city's best examples of Colonial Revival styling, and features distinctive copper sheathed domes. The building was expanded c. 1912 with a wing in the back, and replaced by the present post office in 1933. It has since been used principally as an office building.The building was listed on the National Register of Historic Places in 1981.

The Fabens Building is a historic commercial building at 312-344 Union Street in Lynn, Massachusetts. The four story brick building was built in 1890, replacing two buildings that were destroyed in Lynn's disastrous 1889 fire. It was built for William Fabens, a Marblehead lawyer and judge who maintained offices in the city and sat on the city police court. The building had seven storefronts on the ground floor, with office space on the upper floors. Designed by local architect Henry Warren Rogers, it is one Lynn's most significant Romanesque Revival buildings.The building was listed on the National Register of Historic Places in 1982, and is one of three registered buildings in Lynn designed by Henry Warren Rogers.

The Capitol Diner is a historic diner at 431 Union Street in Lynn, Massachusetts. Built in 1928 by the J. G. Brill Company, it is believed to be that company's last operating diner. It was listed on the National Register of Historic Places in 1999.

The Vamp Building is a historic factory building at 3-15 Liberty Square in downtown Lynn, Massachusetts. The eight story brick building was built in 1903 as the Lynn Realty Company Building #4 to a design by local architect Henry Warren Rogers, and was extended over the next four years to occupy the entire city block bounded by Washington Street, Union Street, and Liberty Square. The "flatiron" V-shape of the building was the basis for its name, as it resembles the shape of the vamp of a shoe. The building served in its early years as a home for all manner of businesses related to the manufacture of shoes. At the time of its construction it was the largest brick building of its kind in the world.The building suffered relatively little damage in the fire of November 28, 1981, losing only its top floor. The strong construction and newly installed sprinkler system were credited with limiting the scope of destruction of the fire, preventing the blaze from reaching farther into the city.The building was listed on the National Register of Historic Places in 1983, and is one of three registered buildings in Lynn designed by Henry Warren Rogers.

Lynn Heritage State Park was a history-themed state park in downtown Lynn, Massachusetts, and was part of the Metropolitan Park System of Greater Boston. It opened in 1986. The Lynn Museum and Historical Society (the tenant of the former Park Visitor Center building) now displays exhibits which highlight the city's industrial past, the tradition of shoemaking and its transition from a handicraft to mechanization, and the story of Elihu Thomson, an engineer and inventor instrumental in the founding of General Electric. The park offers guided tours and a self-guided walking tour and includes the nearby 4.5-acre (1.8 ha) Waterfront Park, located at Lynn Harbor.

The Tapley Building was a historic Romanesque building at 206 Broad Street in Lynn, Massachusetts. The five story brick factory building was built in 1890 to replace an earlier factory, which was destroyed in Lynn's 1889 fire. It was built for the firm founded by Philip P. Tapley, which was one of Lynn's leading shoe manufacturers. It included firesafe construction methods including fireproof stairwells, and two elevators.It was listed on the National Register of Historic Places in 1983. A total of five Holman K. Wheeler structures in Lynn are listed on the National Register. The building was destroyed by fire in 1999.

The Munroe Street Historic District encompasses some of the few commercial buildings to survive in downtown Lynn, Massachusetts from the mid 19th century. The district includes properties on Munroe Street between Market and Washington Streets, which was spared by the 1889 fire that destroyed much of Lynn's downtown area. It was listed on the National Register of Historic Places in 1996.

The G.A.R. Hall and Museum is a historic museum at 58 Andrew Street in Lynn, Massachusetts. The four story Romanesque brick building was built in 1885 by contractor Frank G. Kelly to the design of the Lynn firm Wheeler & Northend for the General Frederick W. Lander Post 5 of the Grand Army of the Republic, an American Civil War veterans organization. It has two storefronts on the ground floor, offices and a library with spaces for 1500 volumes on the second floor, and a large 46'10" x 56'4" meeting hall on the upper two floors. The roofline originally had ornate brick crenellations, but these were removed in the mid 20th century. The first two floors have also been altered over time, but the meeting hall remains in nearly original condition.The building was constructed with incandescent electric lighting by the Thomson-Houston Electric Company, which had moved to Lynn two years prior.With declining membership in the organization, the building was turned over to the city in 1919 by a Special Act of the Massachusetts Legislature. The city operates it as a museum.The building was listed on the National Register of Historic Places in 1979.The building is the earliest known work by Holman K. Wheeler, who designed and constructed more than 400 structures in Lynn and surrounding towns, including residences, schools, commercial and factory buildings, and monuments. A total of five H. K. Wheeler structures in Lynn are listed on the National Register. The father of co-architect William Wheelwright Northend, Massachusetts State Senator William Dummer Northend, while attending Governor Dummer Academy as a child, became longtime friends with General Frederick W. Lander for whom the Lynn G.A.R. Post is named. In 2018, a fundraising campaign was started to raise as much as $10 million for needed repairs, renovations, and preservation of the museum's collection. Plans include making the building ADA compliant with additions such as an elevator. An updated climate control system is also needed to preserve the museum artifacts.The museum was named one of the top 11 most endangered historic resources in Massachusetts for 2018 by Preservation Massachusetts.

The Grand Army of the Republic Hall, also known as the General Frederick W. Lander Post No. 5, Grand Army of the Republic, is an historic building located at 58 Andrew Street in Lynn, Massachusetts, in the United States. The hall was built in 1885 by members of the Grand Army of the Republic as a meeting hall and memorial to the Union Army veterans of the Civil War. Of many such halls built in the country, the Lynn GAR Hall is the largest. Only 13 remain nationwide, and only this one in Massachusetts.On May 7, 1979, it was added to the National Register of Historic Places. The hall is now the Grand Army of the Republic Museum.