Deering Street Historic District

The Thomas Brackett Reed House is a historic brick duplex house at 30–32 Deering Street in Portland, Maine. Built in 1876, the house was designated a National Historic Landmark in 1975 for its association with Thomas Brackett Reed (1839–1902), Speaker of the House of Representatives (1889–1891 and 1895–1899). Reed owned and occupied number 32 from 1888 until his death in 1902. He was notable for significantly increasing the power of the House Speaker, introducing a set of rules known as the Reed Rules that still govern debate in that body today.

Sacred Heart Church is an historic church building in Portland, Maine owned by the Roman Catholic Diocese of Portland.

The Neal Dow House, also known as Gen. Neal Dow House, is an historic house found at 714 Congress Street in Portland, Maine. It was built in 1829 for noted politician and prohibitionist Neal Dow (1804-1897), and was later designated a National Historic Landmark for that association. Dow was the author of the first prohibition law passed by the Maine legislature in 1851 (and giving such laws the epithet "Maine law"). He was known as a tireless, internationally known activist for the temperance movement. Dow's house was a center of activism in his lifetime, and is now the headquarters of the Maine chapter of the Women's Christian Temperance Union.

The Henry Wadsworth Longfellow Monument is a public monument in Portland, Maine's West End. Located on the corner of State and Congress Street, it honors poet Henry Wadsworth Longfellow, who was born in Portland in 1807. The intersection built around the monument is known as Longfellow Square.

State Street is a downtown street in Portland, Maine, United States. Part of Maine State Route 77, it runs one-way for around 0.95 miles (1.53 km), from an intersection with Forest Avenue in the northwest to York Street in the southeast. It is one of the three main routes crossing the Portland peninsula in this direction, the other two being High Street and Franklin Street. Part of the street passes through the Deering Street Historic District. State Street and High Street were converted from two-way traffic in 1972.

The A. B. Butler House is an historic house at 4 Walker Street in Portland, Maine, United States. Built in 1868, it is a remarkably little-altered high-quality example of Second Empire architecture, and one of two surviving designs in the city of architect Matthew Stead. It was listed on the National Register of Historic Places on May 8, 1974.

Longfellow Square is a public square in Portland, Maine, United States. Named for the poet Henry Wadsworth Longfellow, it is one of the three main squares on the city's Congress Street — the others being Congress Square and Monument Square, both located a short distance to the northeast. A monument to Wadsworth, erected in 1888, stands in the center of the square, with the seated subject looking east. The square is bounded by Congress Street to the north and State Street (which intersects Congress Street) to the west and south. Adjacent to the square is One Longfellow Square, a small performing-arts center.

The Griffin House is a historic house at 200 High Street in Portland, Maine. Built in 1871, it is one of the city's finer examples of Second Empire architecture, and was an early example of the trend to build further away from the city's port district. It was listed on the National Register of Historic Places in 1984.

One Longfellow Square is a non-profit performing arts and concert venue in Portland, Maine, United States. Located in Longfellow Square, the building is home to the Center for Cultural Exchange, which opened on March 5, 1999, in the renovated building. The building was abandoned in 1994 and purchased by Portland Performing Arts in 1998. After the group spent nearly $800,000 to renovate the space. The venue nearly permanently closed due to financial losses sustained due to safety restrictions put in place during the COVID-19 pandemic.

The Institute for Doctoral Studies in the Visual Arts is a private low-residency graduate school based in Portland, Maine.

The Portland Club is a social club at 156 State Street in Portland, Maine.

The State Street Congregational Church is an historic Congregational church in Portland, Maine, United States. It was designed by architect William Washburn and built in 1851.