Peter Ehle House

Jacob Nellis Farmhouse is a historic home located at Nelliston in Montgomery County, New York. It was built in the 1830s and is a rectangular, 1½-story, five-bay-long stone building with a three-bay lower 1½-story extension on the north side. The house is in the Greek Revival style. Also on the property is a small 19th-century barn and a large, multi-level 20th-century barn. It was added to the National Register of Historic Places in 1980.

Nelliston is a village in Montgomery County, New York, United States. The population was 596 at the 2010 census. The name is from members of the Nellis family. The Village of Nelliston is in the Town of Palatine and is west of Amsterdam. The Erie Canal passes the village.

Nelliston School is a historic school building located at Nelliston, Montgomery County, New York. It was built in 1869 and is a two-story, square shaped brick institutional building. It has a shallow pitched gable roof. It served the educational needs of the community until 1971. It was added to the National Register of Historic Places in 2002. In 2022, the New Montgomery County childcare facility was put in the old Nelliston School building.

Waterman-Grampse House is a historic home located at Nelliston in Montgomery County, New York. It was built about 1865 and is a small, 1+1⁄2-story stone house of coursed rubble with cut-stone lintels and sills. A frame house built in the 1960s is attached to the north side. It was added to the National Register of Historic Places in 1980.

Nelliston Historic District is a national historic district located at Nelliston in Montgomery County, New York. It includes 56 contributing buildings. It encompasses three of Nelliston's residential streets developed between 1860 and 1890. It also includes the area along the railroad tracks containing two freight houses and the 1902 railroad station. Notable residential structures include the Abram Nellis Mansion; a brick two story Italianate style dwelling dated to the 1860s. It was listed on the National Register of Historic Places in 1980.

Lasher-Davis House is a historic home located at Nelliston in Montgomery County, New York. It was built in 1865 and is a small, 1+1⁄2-story frame building with a gable roof. It features an attractive porch with cut-out railings and brackets under the porch eaves. It was added to the National Register of Historic Places in 1980.

Otsquago Creek is a river that enters the Mohawk River in Fort Plain, New York. Otsquago is a Mohawk Indian word meaning 'under the bridge,' probably referring to an early bridge of felled trees along the creek, a way of making small bridges. It is also referred to as Otsquage on old maps, which is an Indian word for 'healing waters'. The source of the Otsquago Creek is about 12 miles southeast from its outlet, 1,360 feet above sea level and about 1,000 feet above the Mohawk River, in a marshy field by Van Hornesville, New York. Creamery Falls and Van Hornesville Falls are two waterfalls on the creek near Van Hornesville.

Frey House is a historic home located at Palatine Bridge in Montgomery County, New York. It was built in 1808 and consists of a double-pile, center-hall-plan main block with a 1+1⁄2-story, stone kitchen wing added in 1882, and sun porch dated to 1931. Also on the property are a five-bay garage (c. 1930), 19th-century lime kiln, and the Frey family cemetery. It was added to the National Register of Historic Places in 2002.

Fort Plain Historic District is a national historic district located at Fort Plain in Montgomery County, New York. When first listed it encompassed 536 contributing buildings, 2 contributing sites, 1 contributing structure, and 2 contributing objects in the central business district and surrounding residential sections of the village of Fort Plain. It developed between about 1786 and 1938, and included notable examples of Federal, Greek Revival, Gothic Revival, Italianate, Second Empire, Queen Anne, and Beaux-Arts style architecture. Located in the district is the separately listed United States Post Office. Other notable contributing resources include the Red Mill (c. 1860), Firemen's Home (c. 1830-1840), Methodist Church (1880), Baptist Church (1896), Reformed Church (1887), high school (1915), Nellis Memorial Chapel, Watkins Block (1936), Montgomery Hall (c. 1900), Wick Block (c. 1890), Village Hall (c. 1875), and Fort Plain Cemetery (est. c. 1850). It was added to the National Register of Historic Places in 2012, with a boundary increase in 2022.

US Post Office-Fort Plain is a historic post office building located at Fort Plain in Montgomery County, New York, United States. It was built in 1931, and is one of a number of post offices in New York State designed by the Office of the Supervising Architect of the Treasury Department under James A. Wetmore. It is a two-story, symmetrical brick building with a one-story rear wing in the Colonial Revival style. It features a shallow projecting frontispiece framed by four brick pilasters and a pair of Grecian style lamps with glass globes. It was listed on the National Register of Historic Places in 1989. It is located in the Fort Plain Historic District.

Fort Plain is a village in Montgomery County, New York, United States. As of the 2010 census, the village population was 2,322. The village is named after a fort built during the American Revolution at the junction of the Mohawk River and its tributary Otsquago Creek. The village of Fort Plain is at the border of the Towns of Minden and Canajoharie and is west of Amsterdam. Because of its small size and the close connections with neighboring communities, some former residents who now live in more populous regions use Fort Plain to refer collectively to the village of Fort Plain and the surrounding villages of Nelliston, and Palatine Bridge.

Walrath-Van Horne House is a historic home located at Nelliston in Montgomery County, New York. It was built in 1842 and was originally a 1+1⁄2-story Greek Revival stone house with a full-height portico. In 1895, a frame, shingled second story topped by a Mansard roof and new porch with mansard styling replaced the original. The house retains some Greek Revival interior styling, but the exterior has a Second Empire style. It was added to the National Register of Historic Places in 1980.