Connecticut National Historic Landmarks

A. Everett Austin House (Hartford) - 10/26/2013
This is the 1930 home of the Wadsworth Athenaeum director inspired by the Palladian Villas of the Veneto

Austin F. Williams Carriagehouse and House (Farmington) - 10/25/2013
The 1842 Greek revival house of the abolitionist, notable for serving as living quarters for the Amistad Africans and as a stop on the Underground Railroad

Birdcraft Sanctuary (Fairfield) - 5/3/2013
The oldest private songbird sanctuary in the U.S., originally planted in 1914 as a refuge to attract, harbor and feed migratory and resident birds

Bush-Holley House (Greenwich) - 5/3/2013
This salt-box house was constructed circa 1730 and later was a boarding house and the center of the Cos Cob Art Colony, Connecticut’s first art colony

Buttolph-Williams House (Wethersfield) - 10/25/2013
An early 18th-century house built in the traditional style of the Puritan settlers, with diamond-paned casement windows and weathered and blackened clapboards

Capt. Nathaniel B. Palmer House (Mystic) - 5/4/2013
The transitional Greek revival and Victorian Italianate home of the seal hunter and a pioneering Antarctic explorer

Charles H. Norton (Plainville) - 10/25/2013
The 1922 Georgian revival house home of the inventor and machinist who designed heavy-duty precision grinding machines important for development of the automobile industry

Charles W. Morgan (Bark) (Mystic) - 7/21/1990
Located at the Mystic Seaport museum, she is a 19th century whaleship and is the world's oldest surviving merchant vessel

Cheney Brothers Historic District (Manchester) - 6/20/2014
The mill buildings, workers houses, churches, schools and Cheney family mansions represent the well-preserved company town of the Cheney Brothers silk manufacturing company, the first in America

Coltsville Historic District (Hartford) - 10/26/2013
The district encompasses the factory, worker housing, and owner residences associated with Samuel Colt, one of the nation's early innovators in precision manufacturing and the production of firearms

Connecticut Agricultural Experiment Station (New Haven) - 5/5/2013
Founded in 1875, it is the oldest state experiment station in the U.S., a government component that engages in scientific research and public outreach in agriculture

Connecticut Hall (New Haven) - 5/5/2013
A Georgian-style building on the Old Campus of Yale University, it is the oldest building on the campus and one of the oldest buildings in Connecticut

Connecticut State Capitol (Hartford) - 8/7/2010
Built in 1872-1880, this is a three-story marble and granite building in the High Victorian Gothic style

Edward W. Morley House (West Hartford) - 6/20/2014
This is the home of the scientist, famous for his collaboration with Albert A. Michelson on the Michelson-Morley experiment, from 1906 to 1923

Emma C. Berry (Sloop) (Mystic) - 5/4/2013
Built in 1866, she is the last known surviving American well smack, designed to keep the catch alive in an internal water-filled compartment

First Church of Christ (Farmington) - 10/25/2013
The 1771 Greek revival church that served the Amistad Africans before their return to Africa

First Presbyterian Church (Stamford) - 7/4/2023
Designed by architect Wallace K. Harrison and nicknamed the Fish Church for its unusual shape, it is a unique example of modernist architecture

Florence Griswold House (Old Lyme) - 5/3/2013
An 1817 boarding house run by Griswold, where Impressionist artists lived and painted, often directly on the walls and doors of the house

Fort Shantok Archeological District (Montville) - 5/3/2013
The site of the Mohegan settlement between 1636 and 1682 and the sacred ground of the leader and statesman Uncas

Frederick Remington House (Ridgefield) - 7/25/2015
The two-story gambrel-roofed, fieldstone-and-shingle house was the home of the painter and sculptor in the last few months of his life

Grove Street Cemetery (New Haven) - 5/5/2013
Incorporated in 1797 to replace the crowded burial ground on the New Haven Green, it was the first private, nonprofit cemetery in the world, and one of the earliest to have a planned layout, with paved and named streets and avenues

Harriet Beecher Stowe House (Hartford) - 10/26/2013
The cottage-style home of author who lived in this house for the last 23 years of her life

Henry Barnard House (Hartford) - 6/20/2014
The home of the educator who was instrumental in the development of the American public school system

Henry C. Bowen House (Woodstock) - 7/3/2015
A 1846 Gothic Revival style built as a summer home, it is one of the best-preserved and best-documented Gothic summer houses in the nation, with virtually intact interior decorations

Henry Whitfield House (Guilford) - 5/3/2013
Built in 1639 both as a home for the Puritan minister and as a fort to protect the community, it is the oldest house in Connecticut and the oldest stone house in New England

Hill-Stead Museum (Farmington) - 10/25/2013
A country estate with 1898 Colonial Revival house for industrialist Alfred Atmore Pope, and now a museum

Ida Tarbell House (Easton) - 7/25/2015
This was the home of the muckraking journalist known for the first significant use of techniques of what is now called investigative journalism

James Dwight Dana House (New Haven) - 5/5/2013
The 19th century Italianate home of the Yale University geology professor

James Merrill House (Stonington) - 10/2/2017
Formally a 19th-century residential and commercial structure, it was the home of the poet who was inspired by the village and apartment

John Rogers Studio (New Canaan) - 5/3/2013
The 1878 Gothic-Victorian gable-roofed studio of the sculptor whose plaster statuary groups created scenes of everyday life with a sentimental feel

John Trumbull Birthplace (Lebanon) - 7/3/2015
The 1735 home of Governor Jonathan Trumbull and the birthplace of artist John Trumbull

Jonathan Sturges House (Fairfield) - 5/3/2013
An early and well-preserved nineteenth century gothic revival cottage built in 1840 for a business man and patron of the arts, and grandson with the same name of a member of the Continental Congress

Joseph Webb House (Wethersfield) - 10/25/2013
The Georgian-style house that was the site of a military conference with General George Washington and the French commander Rochambeau during the Revolutionary War

Kimberly Mansion (Glastonbury) - 6/20/2014
Built in the early 18th century by the Connecticut politician, Eleazer Kimberly, it was later the home of Abby and Julia Evelina Smith, political activists involved in causes including abolitionism and women's suffrage

L. A. Dunton (Schooner) (Mystic) - 5/4/2013
She was among the last large, purely sail-powered fishing vessels when built in 1921, originally serving as a ferry in Maine

Lafayette B. Mendel House (New Haven) - 5/5/2013
The 1900-1924 Italianate home of the Yale University physiology professor who helped bring the study of nutrition into the scientific realm

Litchfield Historic District (Litchfield) - 10/25/2013
A notable example of a typical late 18th century New England village

Lockwood-Mathews Mansion (Norwalk) - 5/3/2013
Built in 1864 by LeGrand Lockwood and one of the earliest and finest surviving Second Empire style country houses ever built in the U.S.

Mark Twain Home (Hartford) - 7/4/1993
The Victorian Gothic home in Hartford where Mark Twain lived and worked from 1874 to 1891

Mashantucket Pequot Reservation Archeological District (Mashantucket) - 7/3/2015
Archeologically sensitive land in the northern portion of the uplands historically called Wawarramoreke by the Mashantucket Pequot Tribe

Monte Cristo Cottage (New London) - 5/3/2013
The summer home of actor James O'Neill, and of his family, notably his son Eugene O'Neill; it was named for the play in which James starred for many years and is the setting of his Eugene’s plays Ah, Wilderness! and Long Day's Journey into Night

New Haven Green (New Haven) - 5/5/2013
A 16-acre privately-owned park and recreation area, it is a traditional town commons and completed in 1638 was originally known as "the marketplace" and in its early years it held a watch house, a prison and a school

Noah Webster House (West Hartford) - 6/20/2014
This typical New England wooden-frame residence build around 1748 was the birthplace and home of the lexicographer

Old Newgate Prison (East Granby)- 9/15/2018
Originally a 1707 copper mine, the Colny converted it to a prison in the 1770s, and remained as one until 1827

Old State House (Hartford) - 10/26/2013
Designed by architect Charles Bulfinch as his first public building and completed in 1796, the exterior and the Senate are in Federal style; the Representative's chamber is Victorian, and the halls and courtroom are Colonial Revival

Oliver Ellsworth Homestead (Windsor) - 10/26/2013
This is the 1782 home of the lawyer and politician who helped draft the United States Constitution, served as the third Chief Justice of the United States and was a United States Senator from Connecticut

Oliver Wolcott House (Litchfield) - 10/25/2013
Built in 1753 by the signer of the Declaration of Independence and the Articles of Confederation, it is the oldest house in the borough

Othniel C. Marsh House (New Haven) - 5/5/2013
The 1878 four-story brownstone residence of the Yale professor and paleontologist

Philip Johnson Glass House (New Canaan) - 5/3/2013
The house is an important example of early use of industrial materials such as glass and steel in home design, lived in by Johnson for 58 years, and known for its minimal structure, geometry, proportion, and the effects of transparency and reflection

Portland Brownstone Quarries (Middletown) - 5/4/2013
Starting operation in 1690, an important source of brownstone for construction in the 19th century in landmark buildings

Prudence Crandall House (Canterbury) - 7/3/2015
The home of the abolitionist and educator, and the school for African Americans which she ran from 1832 until 1834 when it was closed by mob violence

Richard Alsop IV House (Middletown) - 5/4/2013
A transitional Greek-Tuscan Italianate house built in 1838 by Alsop for his mother, Maria (Alsop) Dana

Russell Henry Chittenden House (New Haven) - 5/5/2013
The 1887 irregularly-shaped brick and shingle house with Queen Anne elements was the home of the "father of American biochemistry" professor at Yale University

Sabino (Steamboat) (Mystic) - 5/4/2013
A small, wooden, coal-fired steamboat built in 1908

Samuel Huntington Birthplace (Scotland) - 7/3/2015
This was the birthplace and boyhood home of the statesman who served as a delegate to the Continental Congress, where he signed the Declaration of Independence, and as Governor of Connecticut

Samuel Wadsworth Russell House (Middletown) - 5/4/2013
Built in 1828 for the trading firm founder in the form of a Greek temple with six full height Corinthian columns supporting a heavy entablature and low flushboarded pediment

Silas Deane House (Wethersfield) - 10/25/2013
The 1766 Georgian home of the first diplomat for the U.S.

Stanley-Whitman House (Farmington) - 10/25/2013
The 1709 house built by Deacon John Stanley and the fourth-oldest existent structure in Farmington

Stephen Tyng Mather House (Darien) - 5/3/2013
The home of the industrialist and conservationist, who championed the creation of the National Park Service in 1916 and served as its first director

Steward's House, Foreign Mission School (Cornwall)- 9/15/2018
An 1817-1826 educational institution to bring Christianity and Western culture to non-White people by educating missionaries of their own culture

Tapping Reeve House and Law School (Litchfield) - 10/25/2013
The home and law school, the second in the U.S., founded by the future Chief Justice of the Connecticut Supreme Court

USS Nautilus (Submarine) (Mystic) - 5/4/2013
The world's first operational nuclear-powered submarine

William Williams House (Lebanon) - 7/3/2015
The colonial-era residence of the delegate from Connecticut to the Continental Congress and a signer of the U.S. Declaration of Independence

Yale Bowl (New Haven) - 5/5/2013
Home to the Yale University Bulldogs, it was built in 1914 by excavating the field area and then building up a berm around the perimeter with the excavated earth to create an elliptical bowl, the first bowl-shaped stadium in the country