Lewis-Williams House

The Hudson Public Library is located in Hudson, Wisconsin.

The Frederick L. Darling House is a historic house located at 617 Third Street in Hudson, Wisconsin. The two-story, Greek Revival style house was built in 1857 by Amasa and Ammah Andrews. It was added to the National Register of Historic Places on October 4, 1984.It is a two-story L-shaped building on a stone foundation. It has a pedimented gable portico supported by four octagonal columns on its east side.It has also been known as Darling-O'Brien House.

The Old St Croix County Courthouse is a former courthouse built in Hudson, Wisconsin in 1900. It was added to the National Register of Historic Places in 1982. The building housed the circuit court of St. Croix County, Wisconsin from 1900 until 1966. It then served as a county office building until 1993, when the county constructed its current courthouse and government center. The old courthouse is a private residence.It is Richardsonian Romanesque in style. It was deemed "One of the finest of the state's courthouses designed in the Richardsonian manner" and described as "a symmetrical assemblage of Romanesque elements."

The William Dwelley House (also known as the Harry Kaminsky House) is a historic house located in Hudson, Wisconsin. It is locally significant due to its association with William Dwelley and also its incorporation of the Italianate style of architecture. It is a two-story house on a stone foundation.It was added to the National Register of Historic Places in 1984.

The William H. Phipps House is a historic house located in Hudson, Wisconsin. It was added to the National Register of Historic Places on June 18, 1987. Its NRHP nomination states:The William H. Phipps house epitomizes fanciful Queen Anne architecture with its octagonal tower, multiple verandahs and balconies and exterior facade ornamentation using octagonal shingles and various applied wood detail. The interior complements the architectural quality using hardwoods, often carved in the minutest detail. The elegant Queen Anne style home built in 1884, is one of the showplaces in Hudson and continues to be one of the finest examples of the style of architecture to be found in the St. Croix Valley. In 2018 it serves as Phipps Inn Bed & Breakfast.

The Octagon House House Museum, also known as the John Moffat House, is a stucco octagonal house in Hudson, in the U.S. state of Wisconsin. The home was built in 1855 by John Moffatt (1814 Etna, New York-1903 Hudson, Wisconsin) and his wife, Nancy Bennet (1822-1894), who had moved to Hudson from Ithaca, New York the previous year with their ten-year-old daughter. Typical for the time, the Moffats traveled by train to Galena, Illinois where they took a steamboat to Prescott, Wisconsin. Then they traveled by horse and wagon, north to Hudson, which was a prosperous frontier town on the Saint Croix River, benefiting from lumber and flour mills. Two of Nancy's sisters already lived in the community when they arrived. Moffat initially was clerk of the United States Land Office for the Chippewa District and later practiced law before being elected a Saint Croix County judge in 1869. Their home is listed on the National Register of Historic Places. The house is now owned and operated by the St. Croix County Historical Society as the Octagon House Museum, a historic house museum furnished in mid-19th-century style. The society purchased the home in 1964.

The Samuel T. Merritt House is located in Hudson, Wisconsin, United States. It was added to the National Register of Historic Places in 1984.It is a two-story Italianate house upon a stone foundation which was bought by Samuel T. Merritt in 1862. Merritt was a teacher, who moved from New York State to here.Merritt became wealthy through business ventures including by being "the first to ship wheat down the (St. Croix) river to La Crosse, ...by barge, with a boat 'Viola', which was built in Hudson". Merritt was "A devout Baptist and Republican, ....recognized as a highly prominent and influential citizen, revered as 'starting out in life poor in pocket, but rich in the possession of health, courage, and ability. His success has not come...by any royal road, but through careful plodding work, good investments, and excellent management, while the ...esteem in which he has held has been honestly won by honorable methods and a pleasing personality.'" After he purchased the house in 1862, he lived in it from 1867 to his death in 1918.

Hudson is a city and county seat of St. Croix County, Wisconsin, United States. As of the 2020 United States census, its population was 14,755. It is part of the Minneapolis–St. Paul Metropolitan Statistical Area (MSA). The village of North Hudson is directly north of Hudson.

The Herman L. Humphrey House is located in Hudson, Wisconsin, United States. It was the home of U.S. Representative Herman L. Humphrey. The house was added to the National Register of Historic Places in 1984.It is a two-story brick Italianate-style house on a stone foundation.

The Captain John Oliver House, nicknamed Cedarlawn, is a historic house in Lakeland, Minnesota, United States, built in 1849. It was listed on the National Register of Historic Places in 1977 for having local significance in the themes of architecture and exploration/settlement. It was nominated for its association with the settlement and organization of the Lakeland area and as a rare surviving example of mid-19th-century Greek Revival architecture in Minnesota.

The John T. Cyphers House is a historic house in Lakeland, Minnesota, United States. It was built in 1858 using an early form of concrete poured around undressed rock. It was listed on the National Register of Historic Places in 1971 for having state-level significance in the theme of architecture. It was nominated as a rare Minnesota example of Northern European-style masonry, particularly unusual in a logging region with plentiful lumber.

Lakeland is a city in Washington County, Minnesota, United States. The population was 1,796 at the 2010 census.