Hezekiah S. Ramsdell Farm

West Thompson Lake is a 200-acre lake in Thompson, Windham County, Connecticut.A dam was constructed in 1965 by the United States Army Corps of Engineers to create the lake. It impounds the Quinebaug River for flood control and seasonal storm water management. The dam is owned and operated by the Corps of Engineers.The dam is one of the six flood control structures built on the river. This network of dams helps control flooding all the way from the upstream tributaries of the Thames River to the Long Island Sound. The West Thompson Dam was constructed in 1965. It cost 6.7 million U.S. dollars.The West Thompson Lake has a total storage capacity of 342 million gallons of flood water.

Mechanicsville is an unincorporated community and census-designated place (CDP) in the southern part of the town of Thompson in Windham County, Connecticut, United States. It is bordered to the north by North Grosvenordale and to the south by Putnam. Connecticut Route 12 (Riverside Drive) runs the length of the community, along the east side of the French River. Mechanicsville was first listed as a CDP prior to the 2020 census.A portion of the Air Line State Park Trail passes through Mechanicsville, along with the Providence and Worcester Railroad.

The George Pickering Nichols House is a historic house in Thompson, Connecticut. Built about 1846, it is a well-preserved example of rural Greek Revival architecture. It was listed on the National Register of Historic Places in 1991.

Tourtellotte Memorial High School is located in North Grosvenordale, Connecticut, a village within the town of Thompson, Connecticut.

Putnam District is a village and census-designated place (CDP) in Windham County, Connecticut, United States. The CDP was formed when the former city of Putnam disincorporated, and it consists of the main town center of the town of Putnam along the Quinebaug River. The village is part of the Northeastern Connecticut Planning Region. The population was 7,214 at the 2010 census.

Putnam High School (abbreviated as PHS) is a public high school in Putnam, Connecticut, United States.

Putnam Town Hall, formerly Putnam High School, is an historic civic building at 126 Church Street in Putnam, Connecticut. Constructed in 1874, it is one of the oldest surviving high school buildings in the state, and a distinctive local example of Gothic Revival architecture. It was added to the National Register of Historic Places in 1993.

North Grosvenordale ( GROHV-nər-dayl) is a village and census-designated place (CDP) in the town of Thompson in Windham County, Connecticut, United States. The population was 1,530 at the 2010 census. The core of the village is listed as the North Grosvenordale Mill Historic District on the National Register of Historic Places. The historic area around the cotton mill was listed in 1993 and is located on Riverside Drive (Route 12), Buckley Hill Road, Floral Avenue, Market Lane, and Marshall, Central, River, and Holmes Streets.

The Israel Putnam School is a historic school in Putnam, Connecticut. The school, named in honor of Israel Putnam, is a two-story Classical Revival brick building with limestone trim built in 1902. It was the town's first modern school building, and the first to include an auditorium. The building was listed on the National Register of Historic Places in 1984. It has been converted to residences.

The Cargill Falls Mill, also known historically as the Wilkinson Mill, is a historic textile mill complex at 52-58 Pomfret Street in Putnam, Connecticut. Founded in 1806, it is one of the state's oldest mill complexes, and it retains examples of mill architecture spanning more than 175 years. It was listed on the National Register of Historic Places in 2014.

Putnam station is a former train station in Putnam, Connecticut. Built in 1907, it is a reminder of the importance of the railroad in the development of Putnam as a city, and is an architecturally distinctive example of Mediterranean-influenced design. The building, now in other commercial uses, was added to the National Register of Historic Places in 2007 as Putnam Railroad Station.

The Thompson Hill Historic District encompasses the historic village center of Thompson, Connecticut. The district covers 550 acres (220 ha), whose central focus is the Thompson Center Green, laid out when the town was established in 1735. Thompson Hill was the town's early civic and economic center, later supplanted by industrial villages, and retains well-preserved architecture from the 18th and early 19th centuries. The district was listed on the National Register of Historic Places in 1987.