Maine Narrow Gauge Railroad Museum

The Portland Company Marine Complex is an 9 acres (3.6 ha) industrial site in Portland, Maine's East End neighborhood. The Portland Company was established in 1846 and built railroad equipment for the adjacent Portland terminus of the Atlantic and St. Lawrence Railroad connection between Portland and Montreal. It ceased production in 1978. In August 2013, the property was sold to a group of developers. At the time of its sale, the property had a tax-assessed value of $1.9 million. Since 1993, the building has been home to the Maine Narrow Gauge Railroad Museum as well as host to the annual events Maine Boat Show and Maine Flower Show.

The Roux Institute is a graduate campus and research center affiliated with Northeastern University and located in Portland, Maine. After a year of development, the institute was announced by Northeastern on January 27, 2020, along with an announcement of a $100 million gift from David Roux and his wife, Barbara.The Roux Institute is currently located in the WEX Inc. headquarters building in downtown Portland. A new campus is under construction at the site of the former B&M Baked Beans factory, which is anticipated to open in 2027.In contrast to Northeastern's other regional campuses in Seattle and Burlington, Massachusetts, which primarily focus either on graduate education or advanced research, the Roux Institute engages in both.

The Ocean Gateway International Marine Passenger Terminal is a cruise ship terminal in Portland, Maine, USA. It was built in two phases; phase 1 being a new terminal building that in 2008 replaced the original International Marine Terminal and phase 2 being a new berth and docking facility for large cruise ships known as Ocean Gateway Pier II. Plans for the new passenger terminal were made as early as 2003, when the Portland city council presented an early design for the facility, including two buildings — a 5,000-square-foot (460 m2) receiving building and a 16,000 square foot terminal building — built at the end of a pier. Construction began in September 2005, after the Reed and Reed construction company won the contract in June.The main terminal building is built over the water, and is a two-story structure, with customs facilities for international passengers on the first floor and a waiting area on the second. The terminal building is connected to the receiving building, located about 300 feet (90 m) away on shore, by a pair of pedestrian ramps. In addition to the receiving building, shore facilities include a 3.5-acre (1.4 ha) parcel of land for parking cars and boarding buses, both local and tour.Building the terminal facility cost about $20.5 million, of which $9 million came from a bond issue by the state of Maine, $6 million from the federal government and the remainder from a mix of local, state and federal sources.The building was formally opened on 2 May 2008 in a ceremony attended by about 200 people. Commercial shipping traffic began calling at the facility on 30 May, when HSC The Cat, operated by Bay Ferries, began its seasonal service to Yarmouth, Nova Scotia.Ocean Gateway is also used as rental venue for functions such as weddings, conventions and other public events, a use which grew in importance after The Cat service was canceled following the 2009 season, which meant a loss to the city of Portland of $150,000 per year in rent which Bay Ferries paid for use of the facility. The city estimates that rentals currently bring in about $90,000 a year since the ferry service ended.The second phase of the terminal project is Ocean Gateway Pier II, a deep-water pier for large cruise ships that opened in September 2011, allowing more and larger cruise ships to dock in the city.

Ocean Gateway Pier II is a floating deepwater cruise ship pier located at the Ocean Gateway International Marine Passenger Terminal in Portland, Maine. Construction of the pier began on 1 November 2010 with a groundbreaking ceremony attended by Maine governor John Baldacci and city officials. It was opened on 10 September 2011, when Enchantment of the Seas became the first vessel to dock at the pier.The total cost of building the pier was about $6 million, paid for by a state transportation bond. It was built by the Reed & Reed construction company, which submitted a bid about $1.5 million less than had been budgeted for, allowing an extension of the pier by about 100 feet (30 m) over the original plan and the addition of water and electrical services.The pier is composed of a 124-foot (38 m) floating barge, anchored to the seabed, at the center of the structure for embarking passengers onto ships, with the remainder a gangway wide enough to accommodate vehicles the size of a golf cart. The gangway is supported by individual pilings and clusters of three pilings. The pier is able to accommodate ships as large as 1,200 feet (370 m) long.

The Abyssinian Meeting House is a historic church building at 73–75 Newbury Street, in the Munjoy Hill neighborhood of Portland, Maine. Built 1828-1831 by free African-Americans, it is Maine's oldest African-American church building, and the third oldest in the nation. Throughout the years, the Abyssinian was a place for worship and revivals, abolition and temperance meetings, speakers and concerts, the Female Benevolent Society, the Portland Union Anti-Slavery Society and negro conventions, and the black school in Portland from the mid-1840s through the mid-1850s. The building is the only Underground Railroad site in Maine recognized by the National Park Service. It was listed on the National Register of Historic Places in 2006.

159–161 Fore Street (also known as The Stephenson Home) was a residential building in Portland, Maine, United States. The building, which stood at the corner of Fore Street and Hancock Street in the Old Port, was notable as the birthplace of poet Henry Wadsworth Longfellow in 1807. It was built in 1791, when the city was part of Massachusetts. Longfellow did not grow up in the home. It was originally the home of Captain Samuel Stephenson, uncle of Longfellow via Stephenson's wife, Abigail. Because of the building's connections with the famous writer, the International Longfellow Society attempted to prevent the demolition of the house with a fundraising effort but was ultimately unsuccessful. The structure was demolished in 1955.

The Portland Observatory is a historic maritime signal tower at 138 Congress Street in the Munjoy Hill section of Portland, Maine. Built in 1807, it is the only known surviving tower of its type in the United States. Using both a telescope and signal flags, two-way communication between ship and shore was possible several hours before an incoming vessel reached the docks. The tower was designated a National Historic Landmark and a National Historic Civil Engineering Landmark in 2006; it is now managed by Greater Portland Landmarks, a local historic preservation nonprofit. It is open to the public as a museum.

The Village Cafe was a 550-seat family-owned Italian restaurant in Portland, Maine, United States. It was in business, at 112 Newbury Street, for 71 years (1936–2007) and was one of the few restaurants in the Old Port during the restaurant's existence. It stood across Hancock Street from the Shipyard Brewing Company, in a space now occupied by condominiums — The Village at Ocean Gate — which maintain The Village's name. The restaurant closed at 11:30 PM on weekdays and 12:30 AM on weekends. It was renovated in 1998.After increasing competition from the numerous restaurants opening to take advantage of Portland’s "foodie town" status, the restaurant's owner decided to close the business, rather than spend an estimated $500,000 on work the building needed. It was under contract in 2006 and sold in 2007. There was a plan to downsize the restaurant and include it on the first floor of the condominium, but this did not come to fruition.

Portland station was a passenger rail station on the Grand Trunk Railway in Portland, Maine, United States. It stood to at the foot of India Street, Portland's first street, between 1903 and 1966. It was one of Portland's four railroad stations for the Portland and Forest Avenue Railroad Company over its history, and one of the two stations in the city at the time of the station's construction. The other was Union Station, which has also been demolished. The Grand Trunk and steamship offices building still stands, at the corner of India Street and Thames Street. As of 2024, it was in use as the head office of Gorham Savings Bank. A third story was added to this building in 1903. The station's clock tower was removed in 1948, eighteen years before the station itself was razed. Construction of the Grand Trunk Railways was delayed by the American Civil War, but used rail was obtained from New Brunswick in 1863 to complete a line from India Street along Middle Street, through Monument Square, along Congress Street, and then down High Street, and westerly along Spring Street to Clark Street. Service with horse-drawn street cars began on 12 October 1863. In 1864, an adjoining line was built along Preble Street from Monument Square and thence along Portland Street and Forest Avenue to Woodfords Corner. This line was later extended to Morrills Corner along Pleasant Avenue and Stevens Avenue. Lines along Congress Street were extended westward to Longfellow Square and eastward to Atlantic Street on Munjoy Hill. Horse-drawn sleighs were substituted for rail cars when snow and ice covered the streets during winter months to avoid ice removal inconveniencing other horse-drawn sleighs. In the late 19th century, Portland was favored over Boston as the seaport terminus for the Grand Trunk Railway from Montreal. When the Maine Coast Special train to Montreal was withdrawn 1966, the station was abandoned.

The Green Memorial A.M.E. Zion Churchis a historic church at 46 Sheridan Street in Portland, Maine. Built in 1914, it is home to Maine's oldest African-American congregation; it is named for Moses Green, an escaped slave. The building was listed on the National Register of Historic Places in 1973.

The Hill Arts or St. Lawrence Arts Center is a performing arts center and community space at 76 Congress Street in the Munjoy Hill district of Portland, Maine. It is located in the former parish hall of the former St. Lawrence Church, a historic Romanesque church that was built in 1897. In 2008, due to severe deterioration, the sanctuary of the former church was razed and the organization began planning to create a performance arts space where the sanctuary stood. The church property was listed on the National Register of Historic Places in 1979.

Fort Allen Park is an urban park in the Munjoy Hill neighborhood of Portland, Maine, United States. It covers 9 acres (3.6 ha) and abuts the Eastern Promenade to the south. It was built in the 1890s, designed by the city's chief engineer William Goodwin and backed by mayor James P. Baxter, according to a plaque in the park. Fort Allen was probably originally built in 1775, may have served as part of Fort Sumner, and was rebuilt by the city and used to guard Portland during the War of 1812 due to its high vantage point overlooking Casco Bay. The park is home to a 6-inch gun from the USS Maine (the ship whose explosion in Havana, Cuba started the Spanish–American War), the foremast and bridge structure of the World War II cruiser USS Portland (CA-33), two Civil War-era 4.5-inch siege rifles, an American Civil War memorial bench erected in 1929, and an historic bandstand which was built in the 1890s. In 2012, a local non-profit group, Friends of the Eastern Promenade, sought to restore Fort Allen Park to its original look. As of 2016 this has resulted in additional interpretive plaques throughout the park, along with other improvements. Some sources state that Fort Allen dates from 1775 and was originally named for Revolutionary War hero Ethan Allen. It was initially a half-moon battery mounting five guns. After 1794 it may have served as the "detached battery" of nearby Fort Sumner, as described in the Secretary of War's report for 1811. Fort Allen was rebuilt in 1814 with city resources, adding a magazine and barracks due to the British capture of Eastport and Castine in the War of 1812. A plaque at the park states that at this time it was named for Master Commandant William Henry Allen, a naval officer mortally wounded in the War of 1812.