Portland Fire Museum

The Spring Street Historic District encompasses surviving elements of the 19th-century commercial and surviving residential areas of Portland, Maine. Encompassing a portion of the city's Arts District and an eastern portion of its West End, the district has a significant concentration of residential and commercial buildings that survived the city's devastating 1866 fire. The district was listed on the National Register of Historic Places in 1970.

The Cathedral Church of St. Luke is an Episcopal cathedral located in Portland, Maine, United States. It is the seat of the Diocese of Maine.

The Park Street Row, also known as Park Street Block, is a set of historic rowhouses at 88–114 Park Street, in Portland, Maine. Built in 1835, it is the largest known 19th-century rowhouse in the state, and is a local example of Greek Revival architecture. It was added to the National Register of Historic Places in 1972.

The Lafayette Hotel now Lafayette Apartments is an historic building in Portland, Maine, United States. Completed in 1903, the building was designed to be a luxury hotel and many of Maine's political and economic elites maintained year-round residences in the hotel. In the 1960s, the building was converted to an apartment building.It is located at 638 Congress Street, at the intersection of Park Avenue in the West End. It was built where Gilbert du Motier, Marquis de Lafayette, stayed during his visit to the city in 1825. It was designed by architects Francis H. Fassett and his son, Edward F. Fassett and opened in June 1903. It was considered to be fireproof upon opening. The original proprietor was James Cunningham. It was notable for its Mayfair Ballroom and French motifs. The hotel advertised its adherence to the American Plan, which indicated the company's unwillingness to recognize or negotiate with trade unions.As of 2023, Sagamore Hill Lounge occupies part of the first floor.

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.

The Cumberland Club is a gentlemen's club in Portland, Maine, United States. It was formed in 1877 and is the oldest men's social club in the state. The club is located at 116 High Street in the Arts District in a former private home built in 1800. It has been located in the building since 1896. It was one of the political centers of Portland and Maine politics.

The State Theatre is a historic theater located at 609 Congress Street in downtown Portland, Maine, which features a combination of Moorish and Art Deco architecture. It reopened as a 1,870-seat performing arts venue in 2010.

The McLellan-Sweat Mansion (or The McLellan House) is a historic house museum on High Street in Portland, Maine. It forms the rear component of the Portland Museum of Art complex. Built in 1800–01, the house was designated a National Historic Landmark in 1970 as a well-preserved Federal style brick townhouse.

The Baxter Building is an historic building located at 619 Congress Street in downtown Portland, Maine. Completed in 1888, it served as the Portland Public Library from its founding until 1978, when the Library moved to another location on Congress Street. The building went unused from 1978 to 1983, when it was purchased by the Maine College of Art (MECA). MECA utilized the space for studio space, dark rooms, as a computer lab and library. In 2010, MECA sold the building to Northland Enterprises LLC, which then leased it to the VIA Group.The building was designed by local architect Francis H. Fassett. It was built in the Romanesque Revival style which was prominent during the mid-19th century. It was updated in 1928 by Portland architect John Calvin Stevens. In February 2010, the building was renovated based on designs from local firms Scott Simons Architects and Archetype Architects, which was partially funded through a $272,000 tax break from the City Council as well as through federal historical tax credits.

St. Dominic's Church is an historic Catholic church building in Portland, Maine. When it was dedicated on August 11, 1833, it became the first Roman Catholic church in the city and the third in the state. Parishioners generally resided in the historically Irish neighborhoods of Gorham's Corner, Munjoy Hill (Portland) and Knightville (South Portland). Prior to the closing of the parish in 1997, it had been at one time one of the largest Irish-American Catholic parishes north of Boston. In 2003, the building was transferred to the newly formed Maine Irish Heritage Center.

High Street is a downtown street in Portland, Maine, United States. It runs one-way for around 0.81 miles (1.30 km), from Commercial Street in the southeast to Forest Avenue in the northwest. It is one of the three main routes crossing the Portland peninsula in this direction, the other two being State Street and Franklin Street. Part of the street passes through the Spring Street Historic District and the city's Arts District. High Street and State Street were converted from two-way traffic in 1972.

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