Calumet Bridge at Old Fort Western

The Former Augusta City Hall is located at 1 Cony Street in Augusta, Maine. Built in 1895-96, it is a well-preserved local example of civic Renaissance Revival architecture, and served as Augusta's city hall until 1987. The building, now an assisted living facility called The Inn At City Hall, was listed on the National Register of Historic Places in 1997.

Fort Western is a former British colonial outpost at the head of navigation on the Kennebec River at modern Augusta, Maine, United States. It was built in 1754 during the French and Indian War, and is now a National Historic Landmark and local historic site owned by the city. Its main building, the only original element of the fort to survive, was restored in 1920 and now depicts its original use as a trading post.

The Colonial Theater is a historic movie theater at 139 Water Street in downtown Augusta, Maine. Built in 1913 and rebuilt after a fire in 1926, it is a fine example of Beaux Arts architecture, with features presaging the Art Deco movement. It is the last surviving movie theater building in downtown Augusta. It was listed on the National Register of Historic Places in 2014, at which time had been standing vacant for many years.

The Sturgis and Haskell Building is a historic commercial building at 180-182 Water Street in downtown Augusta, Maine. Built in 1867, it is one of a series of four Italianate commercial buildings built in the wake of a devastating 1865 fire. It was listed on the National Register of Historic Places in 1986.

The Noble Block is a historic commercial building at 186 Water Street in downtown Augusta, Maine. Built in 1867, it is one of a series of four Italianate commercial buildings built in the wake of a devastating 1865 fire. It was listed on the National Register of Historic Places in 1986.

The Whitehouse Block is a historic commercial building at 188 Water Street in downtown Augusta, Maine. Built in 1865, it is one of a series of four Italianate commercial buildings built in the wake of a devastating 1865 fire. It was listed on the National Register of Historic Places in 1986.

The Libby-Hill Block is a historic commercial building at 227-233 Water Street in downtown Augusta, Maine. Built in 1866 by two prominent businessmen after a fire destroyed part of the downtown, it is one of the city's oldest granite commercial buildings. It was listed on the National Register of Historic Places in 1986.

Water Street is the location of the central business district of Augusta, Maine. Running parallel to the Kennebec River, Water Street was developed in the 19th century to serve an economy based on water transport and state services, and contains one of the city's highest concentrations of commercial architecture from that period. A portion of the street, running from Commercial Street in the north to the Old Post Office in the south, was listed on the National Register of Historic Places in 2017.

The Williams Block is a historic commercial building at 183-187 Water Street in downtown Augusta, Maine. Built in 1862, it is the only remaining building south of Bridge Street to survive a devastating 1865 fire, and one of a small number of surviving commercial buildings (of many) designed by Francis H. Fassett. It was listed on the National Register of Historic Places in 1986.

The D.V. Adams Co.-Bussell and Weston Building is a historic commercial building at 190 Water Street in downtown Augusta, Maine. Built in 1909, it is one of the state's best early examples of a department store building. The building was listed on the National Register of Historic Places in 1986.

The Cushnoc Archeological Site, also known as Cushnoc (ME 021.02) or Koussinoc or Coussinoc, is an archaeological site in Augusta, Maine that was the location of a 17th-century trading post operated by English colonists from Plymouth Colony in present-day Massachusetts. The trading post was built in 1628 and lies on the Kennebec River. The English primarily traded with bands of the Abenaki nation. Later the British colonists developed Fort Western, an 18th-century stockade fort, adjacent to this site. It became the center of development for the city of Augusta. The Cushnoc site is significant as it provides a window into trading, living, and construction practices in the early period of colonial settlement in New England. It was declared a National Historic Landmark in 1993.

The Kresge Block is a historic commercial building at 241-249 Water Street in downtown Augusta, Maine. Built in 1932 to house a department store, it is a distinctive and rare local example of commercial Moderne architecture. It was listed on the National Register of Historic Places in 1986.