Round Hill Historic District

Dunnellen Hall is a private mansion located at 521 Round Hill Road in Greenwich, Connecticut, USA. It was sold by the estate of Leona Helmsley for $35 million down from the original asking price of $125 million when it was first put up on the market in 2008.Dunnellen Hall was built for New York City financier Daniel G. Reid as a gift for his daughter in 1918. Dunnellen Hall was built for approximately $1 million. The approximately 23,000-square-foot (2,100 m2) mansion originally sat on over 200 acres (0.81 km2), but is currently situated on just over 40. It was purchased in 1983 by Leona Helmsley and her husband Harry for US$11 million. Leona Helmsley would live in Dunnellen Hall until her death in 2007. According to the Greenwich Historical Society, Dunnellen Hall is one of the last intact historic estates left in Greenwich.

The Sylvanus Selleck Gristmill, also known as the Edwin Knapp Gristmill, is a historic gristmill at 124 Old Mill Road in Greenwich, Connecticut. Built about 1796, it is one of the oldest mill buildings in the state, and a rare surviving example of brace-frame construction. It was listed on the National Register of Historic Places in 1990.

Whitby School is an independent, co-educational private school in Greenwich, Connecticut, that was founded in 1958 and is accredited by the American Montessori Society (through kindergarten), the International Baccalaureate Organization (grades 1-8), and the Connecticut Association of Independent Schools. The Head of School is Dr. John "Jack" Creeden, who joined Whitby in July 2019.

Converse Lake is a 100 acres (40 ha) lake located on the border of Connecticut and New York in the United States. It is located in Conyers Farm, a gated community in Greenwich, Connecticut, not far from the Greenwich Polo Club.

St. Nersess Armenian Seminary is a seminary under the auspices of the Armenian Church of America, which is the American branch of the Armenian Apostolic Church. Since 2015, it has been located in Armonk, New York. It is the only Armenian theological seminary in the Western hemisphere. It was an idea of Archbishop Tiran Nersoyan, who served as the first dean. He felt that the then 19 priests in the Armenian Church in America could hardly support the more than 30 parishes and first proposed a seminary in America in 1947. The seminary is named after St. Nerses IV the Gracious, Catholicos of All Armenians from 1166 to 1173.It was founded in 1961 in Evanston, Illinois and was the first Armenian seminary in the United States where it was originally affiliated with Seabury-Western Theological Seminary in suburban Chicago. in 1967, the seminary moved to New York, to bring the seminary closer to the geographical center of the diocese and to forge stronger ties with other churches of the East. Starting during this period the seminary became affiliated with St. Vladimir's Orthodox Theological Seminary with whom it has maintained a close relationship, including a joint visit to his Holiness Karekin II, Catholicos of All Armenians. In 1978, the seminary purchased their own building in New Rochelle. To celebrate the 40th anniversary of the seminary, a symposium on Armenian and Christian near East worship traditions was held, later collected in book form.In 2012, a new campus was planned and built for the seminary in Armonk, New York which would open in 2015 and was formally dedicated the following year.[1] The seminary offers two graduate degrees, a Master of Divinity in conjunction with St. Vladimir's and a Master of Arts in Armenian Christian Studies. It also regularly offers exchange programs with the Armenian Patriarchate of Jerusalem’s Sts. Tarkmanchatz School.The seminary has published the St. Nersess Theological Review an Armenological publication since 1996. The journal is the only English language academic journal dedicated to the study of Armenian Christianity.

The former Smith Tavern is located on Bedford Road (state highway NY 22) in the hamlet of Armonk, New York, United States. It is a red frame building dating to the late 18th century, one of the few left in a region that has rapidly suburbanized over the past century. The Smith family, for whom it is named, did not build it but owned it for most of the 19th century. It has seen many uses over its existence, most of them important to the development of the Town of North Castle. During the Revolutionary War it served as headquarters for the local militia. It was a frequent overnight stop for stagecoaches between New York City and Danbury, Connecticut. Later it was the post office and offices of the town clerk. Yale University owned it briefly, and it was also a parsonage for a nearby church. Two owners renovated it extensively, one reverting an addition made by the other. In 1977 it became the town's historical museum, and six years later it was listed on the National Register of Historic Places.

Byram Hills High School (BHHS) is a four-year co-educational public secondary school located in Armonk, New York, United States. It is the only secondary school in the Byram Hills Central School District, and serves students from the towns of North Castle, Bedford, Mount Pleasant, and New Castle. The school has over 700 students in grades 9–12.

Conyers Farm is a tract of land in Greenwich, Connecticut, near the New York-Connecticut border. Established by Edmund C. Converse of Bankers Trust in 1904, the property represented the consolidation of 20 farms. Much of the land had long been uncultivated, but the farm became an important source of employment and food for Greenwich. The 1,481-acre (599 ha) site was unoccupied for 15 years after Converse's death. Conyers Farm was repurposed for luxury home development in the 1980s and several celebrities have owned property there since that time.

Greenwich Polo Club is a polo club and event venue in Greenwich, Connecticut that was established in 1981. It is one of only three polo venues in the United States offering high-goal polo (20 goals or above). The club hosts high goal polo matches throughout the summer, tournaments typically beginning in June and concluding in September. Greenwich Polo Club hosts high-goal matches, open to the public, on Sundays throughout the summer, the gates open at 1:00 p.m and the matches begin at 3:00 p.m.

North Castle is a town in Westchester County, New York, United States. The population was 12,408 at the 2020 census. It has three hamlets: Armonk, Banksville, and North White Plains.

Armonk is a hamlet and census-designated place (CDP) in the town of North Castle, located in Westchester County, New York, United States. The corporate headquarters of IBM are located in Armonk.

Estimated to have been founded in the late 1600s, Banksville is a hamlet in the town of North Castle, Westchester County, New York, United States and an area including Stamford and Greenwich, Connecticut. It is an area which had importance for local cottage industries, a boarding school, and local merchants to support its residents in its early days. Banksville was the home of many patriots including veterans who fought in the American Revolution, Civil War and World Wars I and II. Today it remains a vibrant area of neighborhoods that include ancestors from its earliest times.