Dubois-Sarles Octagon

Christ Episcopal Church is a historic Episcopal church located in Marlboro, Ulster County, New York. The church was designed by architect Richard Upjohn and built in 1858 in the Gothic Revival style. It is built of dark red brick with contrasting brownstone detailing. It features a square entry tower and polygonal apse with steeply pitched roofs, with polychrome slate shingles on the main section. It also has a notable collection of stained glass windows designed by D. Maitland Armstrong (1836-1918). Also on the property is the church rectory (1863) and cemetery, with burials dating before 1840.It was listed on the National Register of Historic Places in 2010.

Marlboro is a hamlet (and census-designated place) in Ulster County, New York, United States. The population was 3,669 at the 2020 census. Marlboro is in the southeastern part of the town of Marlborough, located in the southeastern corner of the county.

Shady Brook Farm is a historic home located at Marlboro, Ulster County, New York. The house was originally built about 1850 in the Greek Revival style, and substantially enlarged and remodeled about 1917. It consists of two two-story, gable-roofed blocks. The front facade features a picturesque front porch with Gothic Revival style design elements. Also on the property are the contributing 2+1⁄2-story "South Cottage" (c. 1890) and a carriage barn (c. 1890). After 1917, the main house was used as a summer boarding house until 1954.It was listed on the National Register of Historic Places in 2012.

Marlboro High School (MHS) is the Marlboro Central School District's high school located in Marlboro, New York, United States.Marlboro High School is a comprehensive, four-year institution for students in Grades 9-12. It is accredited by the Middle States Association of Schools. The curriculum consists of honor courses, college preparatory and occupationally related programs. The school also has a cooperative college bridge program with Ulster County Community College in the areas of English, history, government, economics, science, psychology, sociology, mathematics, and Spanish.As of the 2014-15 school year, the school had an enrollment of 624 students and 42.7 classroom teachers (on an FTE basis), for a student–teacher ratio of 14.6:1. There were 115 students (18.4% of enrollment) eligible for free lunch and 48 (7.7% of students) eligible for reduced-cost lunch.

The Gomez Mill House is located in the Town of Newburgh, New York, USA, on Mill House Road a short distance off US 9W, just south of the Orange–Ulster county line (its mailing address is in nearby Marlboro, in the latter). Over 300 years old, it is the earliest known surviving Jewish dwelling in North America and the oldest home in Orange County listed on the National Register of Historic Places.

Elliot–Buckley House, also known as Riverview, is a historic home located near Marlboro, Ulster County, New York. The house was built about 1843, and is a two-story, "T"-shaped, Picturesque influenced heavy timber frame dwelling with a cross-gable roof. It has a raised basement and is sheathed in clapboard. The house was remodeled in the Colonial Revival style and an addition built about 1924. Also on the property is a contributing octagonal well house. It was built by Dr. Daniel Elliot, and sold to the Buckley family in 1866.It was listed on the National Register of Historic Places in 2011.

The Adolph Brower House is located at the corner of Division and Water streets in New Hamburg, New York, United States, opposite the Abraham Brower House. It was listed on the National Register of Historic Places in 1982. It was built around 1845 by Brower, a New York City native who owned a nearby lime quarry. A brick Greek Revival structure with many of the classic features of that style, it and the other Brower house are the oldest in New Hamburg to remain largely as they were originally built.

The Abraham Brower House is located at Water and Division streets in New Hamburg, New York, United States. It is a mid-19th century home of one of the hamlet's early residents that was added to the National Register of Historic Places in 1987. It is opposite the Adolph Brower House, also on Water Street. It is a modest brick structure, built in a vernacular interpretation of the Greek Revival style popular in the decades preceding its construction. A kitchen wing was added after the Civil War, but otherwise there have been few significant alterations since then.

The William Shay Double House is a residential duplex at Point Street and River Road in New Hamburg, New York, United States. It was built around 1870 and added to the National Register of Historic Places in 1982. Shay, a local rag and cotton merchant, lived nearby and worked out of an adjacent warehouse. The duplex is a brick building in the Gothic Revival architectural style, unusual for both its scale and amount of decoration for utilitarian worker housing of the period in the area. It is still in use as a rental property.

New Hamburg station is a commuter rail stop on the Metro-North Railroad's Hudson Line, serving Wappingers Falls, New York.

The Stone Street Historic District is a one-block section of the west side of that street in the hamlet of New Hamburg, New York, United States. It was recognized as a historic district and added to the National Register of Historic Places in 1987 as the largest group of intact houses in the hamlet. An acre in area, it includes four houses built in the middle of the 19th century in vernacular styles ranging from Greek Revival to the only Second Empire house in the hamlet, reflecting architectural tastes of that time. Located atop a small rise with views to the Hudson River from the rear, they were in their time the premier residential area of their small community. The houses opposite them were demolished in a railroad expansion, but the remaining homes have been altered very little.