Old Plat Historic District

Huntington Courthouse Square Historic District is a national historic district located at Huntington, Huntington County, Indiana. The district includes 102 contributing buildings and 3 contributing structures in the central business district of Huntington. It developed between about 1845 and 1942 and includes notable examples of Italianate, Queen Anne style architecture in the United States, Romanesque Revival, Neoclassical, and Commercial style architecture. Located in the district are the separately listed Moore/Carlew Building and Hotel LaFontaine. Other notable buildings include the Hotel Huntington (1848), Opera House (1881), Lewis Block, Huntington County Courthouse (1904), old Post Office (1916), Citizens' State Bank (c. 1927), City Hall / Fire Station (1904), Huntington Light and Fuel Building, Our Sunday Visitor building (1926), YMCA (1929), and Huntington Theater (1904, 1940).It was listed on the National Register of Historic Places in 1992.

Moore/Carlew Building is a historic commercial building located at Huntington, Huntington County, Indiana. It was built in 1844–1845, and is a two-story, Federal style brick building. A three-story rear addition was constructed in 1860s. It is one of the oldest buildings and the first brick structure constructed in Huntington.: 2–3 It was listed on the National Register of Historic Places in 1983. It is located in the Huntington Courthouse Square Historic District.

Hotel LaFontaine is a historic hotel building located at Huntington, Huntington County, Indiana. It was built in 1925, and consists of a six-story central pavilion with five-story flanking wings. It is of steel frame and hollow-tile construction and sheathed in brick. The building is in the Colonial Revival style. The lobby is designed to resemble a Spanish courtyard and the basement houses an Egyptian inspired swimming pool that opened in 1927. The hotel is named for Francis La Fontaine. It housed a hotel until 1974.: 2–3 It was listed on the National Register of Historic Places in 1984. It is located in the Huntington Courthouse Square Historic District.

The Quayle Vice Presidential Learning Center, commonly referred to as the Dan Quayle Museum, is located at 815 Warren Street in Huntington, Indiana, where former Vice President Dan Quayle attended high school. The Center is downtown in a renovated church, the former First Church of Christ, Scientist, and has two floors. The first floor features the history of all the vice presidents of the United States, while the second floor houses memorabilia and a theater. Regular school programs are held. It is located in the Old Plat Historic District.The Dan Quayle Center and Museum was opened to the public on June 17, 1993, and officially dedicated on October 16, 1993. In 2002, the board of directors for the DQCF changed the name of the facility from The Dan Quayle Center and Museum to The Dan Quayle Center home of the United States Vice Presidential Museum. In 2008, the board of directors changed the name to The Quayle Vice Presidential Learning Center.Special attention is paid to the six vice presidents hailing from Indiana—Schuyler Colfax, Thomas Hendricks, Charles Fairbanks, Thomas Marshall, Dan Quayle, and Mike Pence—and the three losing vice presidential candidates: George W. Julian, William H. English, and John W. Kern. At one time in American history, Indiana was a vital "swing state;" as such, it provided numerous candidates for Vice President.

The Taylor-Zent House, also known as Hart Funeral Home, is a historic home located at 715 Jefferson Street in Huntington, Indiana, USA. The house is an excellent example of the Romanesque Revival style of architecture. It was built in 1896-98 for Enos T. Taylor, a self-made businessman and banker.: 2–3 It was listed on the National Register of Historic Places in 1982. It is located in the North Jefferson Street Historic District.

David Alonzo and Elizabeth Purviance House is a historic home located at Huntington, Huntington County, Indiana. It was built in 1892, and is a 2+1⁄2-story, Romanesque Revival / Châteauesque style brick and stone dwelling. It has a modified rectangular plan and is topped by a slate hipped roof. The house features two corner towers (one rounded and one octagonal), semicircular arches, varied window shapes and sizes, and pressed metal decoration.: 5–6 It was listed on the National Register of Historic Places in 1994. It is located in the North Jefferson Street Historic District.

Samuel Purviance House, also known as Nazarene Annex, is a historic home located at Huntington, Huntington County, Indiana. It was built in 1859, and is a two-story, five-bay, Italianate style brick dwelling with a 1+1⁄2-story rear ell. It sits on a cut stone foundation and has a flat roof. The front facade features an entrance portico with Gothic style columns. The house was purchased by the Church of the Nazarene in 1960.: 2, 4 It was listed on the National Register of Historic Places in 1986. It is located in the Drover Town Historic District.

St. Peter's First Community Church, also known as the German Reformed Church and St. Peter's United Church of Christ, is a historic church located at Huntington, Huntington County, Indiana. It was built in 1903, and is a red brick and limestone church building with an eclectic plan and Late Victorian design elements. It features a two-tiered central tower with angled buttresses, tall and narrow openings, and topped by a steep pyramidal bell-cast roof. Its stained glass windows include German language texts and an image of Christ's ascension. The building was designed by Will A. Stevens, a Huntington native who graduated from Cornell University in 1890.: 5–6 It was listed on the National Register of Historic Places in 1985. It is located in the Drover Town Historic District.

St. Mary's Catholic Church is a large and notable church in the city of Huntington, Indiana, and was completed on October 11, 1896. There are about 1500 parish members that attend St. Mary's Church. The Church stands 130 feet (40 m) tall from the main tower, while the other tower is 94 feet (29 m) tall. The Church is part of the Catholic Diocese of Fort Wayne-South Bend.

Drover Town Historic District is a national historic district located at Huntington, Huntington County, Indiana. The district includes 231 contributing buildings, 2 contributing structures, and 1 contributing object in a predominantly residential section of Huntington. It developed between about 1857 and 1930 and includes notable examples of Federal, Greek Revival, Gothic Revival, Italianate, and Queen Anne style architecture. Located in the district are the separately listed German Reformed Church, Samuel Purviance House, and William Street School. Other notable buildings include the William Drover House (c. 1880), John Rhoads House (1896), and Griffiths Block (1896).It was listed on the National Register of Historic Places in 2006.

The North Jefferson Street Historic District is a national historic district located at Huntington, Indiana. It includes works by Elmer Dunlap. The listing includes approximately seven hundred contributing properties including the separately listed David Alonzo and Elizabeth Purviance House (1892; 809 N. Jefferson) and adjacent Taylor-Zent House (1898; 715 N. Jefferson), which are Chateauesque and Victorian Romanesque in style. The district was listed on the National Register of Historic Places in 2010.North Jefferson Street, north of the downtown commercial area, was the premier residential street in Huntington from the 1860s on; large stylish homes were built on both sides of the street.: 16 Good examples of Italianate architecture on the street include: Loughridge/Grayson House (1853), 708 N. Jefferson, William McGrew House (1863), 804 N. Jefferson, and John Roche House (1871), 939 N. Jefferson.: 17 Jacobethan Revival architecture on the street included: Julius Dick House (1882), 1046 N. Jefferson, Jacob Dick House (1880), 1068 N. Jefferson, and Wesley Hawley House (1895), 1110 N. Jefferson.: 17 Eastlake and Queen Anne architecture appears in: Will Ewing House (1890), 850 N. Jefferson and Herman H. Arnold House (1883), 1140 N. Jefferson.: 17 Notable also is: Saint Mary's Church (1896), Victorian Romanesque, built of brick and stone masonry, Chateauesque and Victorian Romanesque in style.: 17–18 

William Street School, also known as Horace Mann School, is a historic school building located at Huntington, Huntington County, Indiana. The original section was built in 1895, and is a 2+1⁄2-story, rectangular plan brick building with Romanesque Revival and Queen Anne style design elements. It sits on a raised basement, has a rounded corner and projecting gable, bell tower, and has a multi-gabled slate roof. A two-story, Neoclassical style addition was built in 1926.: 2–3 It was listed on the National Register of Historic Places in 1986. It is located in the Drover Town Historic District.