A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways.
The Stonington Harbor Light is a historic lighthouse built in 1840 and located on the east side of Stonington Harbor in the Borough of Stonington, Connecticut. It is a well-preserved example of a mid-19th century stone lighthouse. The light was taken out of service in 1889 and now serves as a local history museum. It was listed on the National Register of Historic Places in 1976.
Kenosha Light is a lighthouse and keeper's house on Simmons Island north of the channel into Kenosha's harbor in Kenosha County, Wisconsin, USA.
The Harbor of Refuge Light is a lighthouse built on the ocean end of the outer Delaware Breakwater at the mouth of the Delaware Bay, just off Cape Henlopen. It was built to function with the Delaware Breakwater East End Light in order to mark the National Harbor of Refuge.
Tongue Point Light Lighthouse, also known as Bridgeport Breakwater or Bug Light, is a lighthouse on the west side of the Bridgeport Harbor entrance, in the city of Bridgeport, Connecticut in the United States. Built in 1891 and moved to its present location in 1919, it was instrumental in the development of the city's inner harbor as a transshipment point connecticut rail and water freight transport systems. It was added to the National Register of Historic Places in 1990.
Wind Point Lighthouse is a lighthouse located at the north end of Racine Harbor in the U.S. state of Wisconsin. It is in the village of Wind Point, Wisconsin, on Lighthouse Road, next to the Shoop Park golf course. The lighthouse stands 108 feet (33 m) tall. One of the oldest and tallest active lighthouses on the Great Lakes, it was listed on the National Register of Historic Places in 1984.
The Chicago Harbor Lighthouse is an automated active lighthouse, and stands at the south end of the northern breakwater protecting the Chicago Harbor, to the east of Navy Pier and the mouth of the Chicago River.
The Milwaukee Pierhead Light is an active lighthouse located in the Milwaukee harbor, just south of downtown. This aid to navigation is a 'sister' of the Kenosha North Pier Light.
The Milwaukee Breakwater lighthouse was built in 1926 in the harbor of Milwaukee in Milwaukee County, Wisconsin to mark the entrance to the harbor. One of the last fully enclosed breakwater lighthouses in the Great Lakes, the structure was placed on the National Register of Historic Places in 2011.
The Manistique East Breakwater Light is a lighthouse is located in the harbor of Manistique, Michigan. It was listed on the National Register of Historic Places in 2005.
The Marquette Harbor Light is located on Lake Superior in Marquette, Michigan, a part of the Upper Peninsula. It is an active aid to navigation.
The Grand Island Harbor Rear Range Light is a lighthouse located off M-28 in Munising Township, Michigan. It is also known as the Bay Furnace Rear Range Light, Christmas Rear Range Light, or End of the Road Light. The corresponding front range light was replaced in 1968; the rear range light was listed on the National Register of Historic Places in 1990. It is no longer an active aid to navigation.
The Port Washington Light is a historical lighthouse in Port Washington, Wisconsin. Replaced by the Port Washington Breakwater Light and converted to a normal dwelling, it was restored with the assistance of the Grand Duchy of Luxembourg and currently serves as a museum.
The Port Washington Breakwater Light is a lighthouse built in 1935 at the entrance to the Port Washington, Wisconsin harbor on Lake Michigan. The second tower at this location, it remains an active aid to navigation. It was listed on the National Register of Historic Places in 2018.
Rawley Point Light is a lighthouse located in Point Beach State Forest, near Two Rivers, Wisconsin. At 111 feet (34 m) tall, it is the tallest lighthouse on the Wisconsin Shore and it is listed on the National Register of Historic Places.
The Two Rivers Light is a lighthouse formerly located at the harbor entrance to Two Rivers, Wisconsin. It is now located in a museum in the city.
The Sheboygan Lighthouse stood on North Point in Sheboygan, Wisconsin. Improvements to the harbor rendered it obsolete, and it was deactivated in the early 20th century. The much altered second light survives as a private residence.
The Duluth South Breakwater Inner Light is a lighthouse on the south breakwater of the Duluth Ship Canal in Duluth, Minnesota, United States. It forms a range with the Duluth South Breakwater Outer Light to guide ships into the canal from Lake Superior. The current structure was built from 1900 to 1901.
The Racine Reef Light was a lighthouse located in Lake Michigan some two miles east of Racine, Wisconsin, marking the edge of its eponymous shallows. It was torn down in 1961 and replaced with a skeleton tower on the same foundation.
The Keweenaw Waterway Lower Entrance Light, also known as the Portage Entry Light, is a lighthouse located at the south end of breakwater at mouth of the Portage River in Torch Lake Township. It was listed on the National Register of Historic Places in 2014.
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