Soo Line High Bridge

Arcola Mills is a historic house in the unincorporated community of Arcola, Minnesota, United States. Built in 1847, it is considered the third-oldest and largest all-wood-frame house still standing in Minnesota. It was the home of brothers Martin and John Mower, who established one of the first sawmills on the St. Croix River and the community around it. The house and the remnants of the nearby mill were listed on the National Register of Historic Places in 1980 as the John and Martin Mower House and Arcola Mill Site for having local significance in the themes of architecture, exploration/settlement, and industry. The property was nominated as an "excellent example" of Greek Revival architecture and for its association with the region's early settlement and lumber industry. The property now operates as a non-profit event and education center.

Arcola is an unincorporated community in May Township, Washington County, Minnesota, United States. Arcola is located in the southeast part of May Township along State Highway 95 (MN 95). The northeast part of Stillwater Township is also in the immediate area. Nearby places include Stillwater and Marine on St. Croix. Arcola was first settled circa 1847. The John and Martin Mower House and Arcola Mill Site, around which the community was founded, is listed on the National Register of Historic Places.

The St. Croix Boom Company House and Barn is a historic residence in Stillwater Township, Minnesota, United States, built circa 1885. It was listed on the National Register of Historic Places in 1980 for its local significance in the theme of industry. It was nominated as the only known standing building associated with the St. Croix Boom Company, which operated a log boom critical to Minnesota's logging industry from 1856 to 1914.

The St. Croix Boom Site is a historic and scenic wayside on the St. Croix River in Stillwater Township, Minnesota, United States. It commemorates the location of a critical log boom where, from 1856 to 1914, timber from upriver was sorted and stored before being dispatched to sawmills downstream. The site was developed as a roadside park along Minnesota State Highway 95 in the 1930s. In 1966 it was designated a National Historic Landmark for its national significance in the theme of industry. It was nominated for being the earliest, most important, and longest serving of the log storage and handling operations that supported Minnesota's major logging industry. Virtually no traces remain of the site's original buildings and structures.

Somerset High School is a public school serving grades 9 through 12 in Somerset, St. Croix County, Wisconsin, United States.

Square Lake is a lake in Washington County, in the U.S. state of Minnesota.Square Lake was so named on account of its boxy outline.

The Pest House in Stillwater Township, Minnesota, United States, is a former quarantine facility used by the city of Stillwater circa 1872 to 1910. It is a rare surviving example of a pest house, a common public health strategy of the late 19th and early 20th centuries, where people with contagious diseases were isolated. It was listed on the National Register of Historic Places in 1980 for having local significance in the theme of health/medicine. The original three-room Pest House has been converted into a private residence, with the addition of a porch on the southeast and a rear wing to the northwest.

Houlton is an unincorporated census-designated place located in St. Croix County, Wisconsin, United States. Houlton is located across the St. Croix River from Stillwater, Minnesota, in the town of St. Joseph. Houlton has no post office but has been assigned the ZIP code 54082. As of the 2010 census, its population was 386.

St. Joseph is a town in St. Croix County, Wisconsin, United States. The population was 3,842 at the 2010 census. The unincorporated communities of Burkhardt, and Houlton are located in the town.

Stillwater Township is a township in Washington County, Minnesota, United States. The population was 2,553 at the 2000 census.

The Minnesota Territorial Prison, later the Minnesota State Prison, was a prison in Stillwater, Minnesota, United States, in operation from 1853 to 1914. Construction of the prison began in 1851, shortly after Minnesota became a territory. The prison was replaced by the Minnesota Correctional Facility – Stillwater in nearby Bayport. Most of the original prison's structures were demolished in 1936, leaving only the 1853 Warden's House and a manual labor complex that had been constructed 1884–1898. The surviving factory buildings were listed on the National Register of Historic Places in 1982 for having state-level significance in the themes of industry and social history. The historic site, long since unused, was destroyed by arson on September 3, 2002. It was formally delisted from the National Register in 2005.

The Warden's House Museum is a historic house museum in Stillwater, Minnesota, United States. From 1853 to 1914 it was the official residence for the wardens of what began as the Minnesota Territorial Prison and became the Minnesota State Prison upon statehood in 1858. The Washington County Historical Society has operated the house since 1941, making it the second-oldest house museum in Minnesota. It was listed on the National Register of Historic Places in 1974 as the Minnesota Territorial/State Prison Warden's House for its state-level significance in the themes of architecture and social history. It was nominated for being the only surviving structure of the prison's Minnesota Territory period and the chief remnant of its statehood years.