Great Stone Dam

The Lawrence bathhouse tragedy occurred on June 30, 1913, when the railings of a runway leading to a municipal bathhouse in Lawrence, Massachusetts gave way and sent 50 to 75 boys into the Merrimack River, causing 11 of them to drown.

The Lawrence Experiment Station, now known as the Senator William X. Wall Experiment Station, was the world's first trial station for drinking water purification and sewage treatment. It was established in 1887 in Lawrence, Massachusetts. A new, 22,000-square-foot (2,000 m2) building opened in 1954 at 37 Shattuck Street. In 1975, the station was designated as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers. In 1993, the facility was renamed after state senator William X. Wall, who had lobbied for the construction of the new station in the 1950s.

The Blakeley Building is a historic commercial building at 475-479 Essex St in central Lawrence, Massachusetts. It is the only well-preserved 19th century remnant of a streetscape that extended for the entire block. The four story Classical Revival building was built in 1898 for Richard Barlow, at that time completing the block between Franklin and Hampshire Streets. Since then, the other buildings have either been demolished and replaced, or have been altered substantially. Construction is predominantly in brick, with granite and metal trim elements. The building houses retail establishments on the ground floor and office space on its upper floors.The building was listed on the National Register of Historic Places in 2009.

Lawrence is a city located in Essex County, Massachusetts, United States, on the Merrimack River. At the 2020 census, the city had a population of 89,143. Surrounding communities include Methuen to the north, Andover to the southwest, and North Andover to the east. Lawrence and Salem were the county seats of Essex County, until the state abolished county government in 1999. Lawrence is part of the Merrimack Valley. Manufacturing products of the city include electronic equipment, textiles, footwear, paper products, computers, and foodstuffs. Lawrence was the residence of the poet Robert Frost for his early school years; his essays and poems were first published in the Lawrence High School newspaper. Lawrence is also the birthplace of composer and conductor Leonard Bernstein in 1918, and singer Robert Goulet in 1933.

WLLH (1400 AM) is a commercial radio station in Lawrence, Massachusetts, serving the Merrimack Valley region. The station is owned by Gois Broadcasting, LLC, and airs a tropical music radio format. The transmitter site is on Common Street, near the Lawrence Police Department Headquarters. WLLH is also heard on FM translator W236CU at 95.1 MHz in Lowell, with its 170–watt transmitter located off Holmes Road. The station uses its translator frequency in its moniker, "Mega 95.1 FM". From 1937 until 2019, WLLH operated with an unusual configuration of synchronized dual transmitters, located in Lowell and Lawrence, which broadcast on a common frequency.

The Gleason Building (now known as G Lofts) is a historic commercial building located at 349-351 Essex Street in Lawrence, Massachusetts.

The Emerson House is a historic house located at 58 Ayers Village Road in Methuen, Massachusetts. It is set in a rural corner of northeastern Methuen, near the town line with Haverhill.

The Old Public Library is a historic library building in Lawrence, Massachusetts. The Richardsonian Romanesque structure was built in 1892 to a design by George G. Adams, a leading architect of public buildings in New England. The building is predominantly brownstone, with terracotta trim bands, an irregular and asymmetric massing with a tower, and its entrance recessed in an archway. It served as Lawrence's public library until 1973 when a new library building was built.The building was listed on the National Register of Historic Places in 1978.

The American Woolen Mill Housing District is a residential historic district at 300–328 Market Street in Lawrence, Massachusetts. It consists of nine three story multiunit tenements built in the first decade of the 20th century. They are situated in a roughly oval pattern around a central courtyard, a distinctive pattern designed to provide open space while maximizing housing density. The property was designed by local architect James E. Allen, and had features unusual for tenements, including gas heat and indoor plumbing.The district was listed on the National Register of Historic Places in 1982.

Notre Dame Cristo Rey High School is a Roman Catholic high school in Methuen, Massachusetts, United States, in the Roman Catholic Archdiocese of Boston. Founded in 2004 by the Sisters of Notre Dame de Namur, it follows the Cristo Rey Network work-study model.A $5-million renovation was completed in 2009. In 2011, the school received accreditation from the New England Association of Schools and Colleges. Approximately ninety percent of the student enrollment is Hispanic.Notre Dame High School is a member of the Massachusetts Interscholastic Athletic Association, competing in boys' cross country, basketball, and baseball; girls' cross country, basketball, and softball.

The North Canal Historic District of Lawrence, Massachusetts, encompasses the historic industrial heart of the city. It is centered on the North Canal and the Great Stone Dam, which provided the waterpower for its many mill complexes. The canal was listed on the National Register of Historic Places in 1975, while the district was first listed in 1984, and then expanded slightly in 2009.The city of Lawrence was founded by industrialist Abbott Lawrence and the associates of the Essex Company as a model industrial city. In 1845 they company acquired land from then towns of Methuen and Andover and began construction on the North Canal and the Great Stone Dam. The work included dredging and building out of "new land", and effectively created a small island between the Merrimack River and the canal, whose outlet is at the mouth of the Spicket River. Work on these two major features was completed in 1848, and development of the city, which formally incorporated in 1853, proceeded from there. The historic district encompasses, in addition to the canal and the dam, the mill-related buildings on the island and on the north side of the canal, as well as a few buildings that front on Methuen and Union Streets, or the connecting side streets. The 2009 expansion of the district, included a single building, the Morehouse Bakery building at 5-9 Mill Street.

The former Daniel Saunders School is a historic school building at 243 S. Broadway in Lawrence, Massachusetts. The two story Classical Revival building was built in 1931, replacing a previous school building on the same site that was destroyed by fire. It is faced in yellow Flemish brick, trimmed with cast stone, over a concrete block frame. The main entrance is in a slightly projecting bay that extends the full height of the building, topped by a triangular pediment and flanked by pilasters. The side ends of the building also have slightly projecting central bays, with round arch windows on the second floor and doorways topped by pedimented hoods with scrolled brackets.The school, like the one it replaced, was named for Daniel Saunders, a key figure in the founding of Lawrence and the town's first treasurer. This building was designed by local architect Joseph G. Morissette, who is known primarily for his ecclesiastical projects. It was one of three schools whose construction was authorized in June 1931, which were built for a combined cost of about $174,000.The Saunders School served the first through third grades for most of its life, but in its later years served only as a kindergarten facility. It was formally closed in 2006, and sold in 2009. It has been rehabilitated to provide sixteen housing units for homeless families; it is the first facility of this type in the state.The building was listed on the National Register of Historic Places in 2011.