St. Mark's Episcopal Church (Augusta, Maine)

The Fuller-Weston House is a historic house at 11 Summer Street in Augusta, Maine. Built in 1818, it is a fine local example of Federal period architecture, and is further notable for several of its occupants, who include the Chief Justice of the United States Melville Fuller. The house was listed on the National Register of Historic Places in 1984. It now serves as the rectory of St. Mark's Church.

The All Souls Church is a historic former church building at 70 State Street in Augusta, Maine. Built in 1879, it is one of Maine's finest examples of Stick style architecture. The building was listed on the National Register of Historic Places in 1978.

The Lithgow Public Library is the public library of Augusta, Maine. Established in 1896, and expanded in 1979 and 2016, it holds about 67,000 books.

The Dr. J.W. Ellis House is a historic house at 62 State Street in Augusta, Maine. Built in 1855 for a prominent local doctor, it is a fine example of late Greek Revival architecture. It was listed on the National Register of Historic Places in 1979.

The Kennebec County Courthouse is located at 95 State Street in Augusta, Maine, the state capital and county seat of Kennebec County. Built in 1829 and twice enlarged, it is one of the oldest examples of Greek Revival architecture in the state, and its earliest known example of a Greek temple front. The building, which is now mostly taken up by county offices, was listed on the National Register of Historic Places in 1974.

The Winthrop Street Historic District encompasses a predominantly residential area of Augusta, Maine encapsulating about 100 years of residential home development. The area features high-quality and well-preserved examples of homes from the early 19th to early 20th centuries, as well as two churches and the Lithgow Library. The district occupies a roughly triangular area west of downtown Augusta and north of the state capitol district. It was listed on the National Register of Historic Places in 2001, and enlarged slightly in 2008.

The South Parish Congregational Church and Parish House is a historic church at 9 Church Street in Augusta, Maine. Built in 1865, the church is a major Gothic Revival work of Maine's leading mid-19th century architect, Francis H. Fassett, and its 1889 parish house, designed by James H. Cochrane, is a rare example in the state of Stick style architecture. The property was listed on the National Register of Historic Places in 1980. The congregation was established in 1773, when the area was part of Hallowell.

The Crosby Street Historic District encompasses a collection of well-preserved high-quality early 19th-century houses on Crosby Street and Crosby Lane in Augusta, Maine. Located on a rise overlooking the city's downtown, these houses were built by leading businessmen of the period, and are either Federal or Greek Revival in their style. The district was listed on the National Register of Historic Places in 1986.

The Governor Hill Mansion is a historic house at 136 State Street in Augusta, Maine. It was built in 1901 for John F. Hill to a design by John Calvin Stevens, and is one of the state's grandest examples of Colonial Revival architecture. It now serves as an event facility. It was listed on the National Register of Historic Places in 1977.

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 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 Old Post Office and Court House is a historic former federal government building at 295 Water Street in downtown Augusta, Maine. Built in 1886-1890, it is one of Maine's finest surviving examples of Romanesque Revival architecture. It was listed on the National Register of Historic Places in 1974.