Statue of James E. O'Donnell

Chatham–Arch is a neighborhood located immediately east of Downtown Indianapolis, Indiana, United States. This neighborhood is one of the oldest in Indianapolis, dating back to the mid 19th century. Chatham–Arch contains many of Indianapolis's historic homes. The Chatham–Arch Historic District is a 54.5-acre (22.1 ha) national historic district in the neighborhood that was listed on the National Register of Historic Places in 1980. In 1980 it included 112 contributing buildings that were deemed to contribute to the historic character of the area. It developed between about 1836 and 1930, and includes representative examples of Italianate, Gothic Revival, and Queen Anne style architecture. Notable buildings include the Allen Methodist Episcopal Church (1927), Christian Hornberger House (1886), Mary Jefferson House (1875-1880), Rev. William Armstrong House (1881), Joseph Wernsing House (1868), Sarah Dye House (1890), Thomas Fiscus House (1865-1866), The Richelieu (1905), August Buschmann Building (1894), St. Joseph's Catholic Church (1879), Park Avenue Church (1909), First United Brethren Church (1922), Chatham Place (1878), The Argyle (1911), Wallace Block (1880), and Knauf-Smith Block (1886).

The Mass Ave Cultural Arts District, colloquially known as Mass Ave, is one of seven designated cultural districts in Indianapolis, Indiana, United States. The district centers on 0.86 miles (1.38 km) of its namesake Massachusetts Avenue, from its southern terminus at New York and Delaware streets to its northern terminus at Bellefontaine Street. The avenue is one of the four original diagonal streets included in Alexander Ralston's plan of 1821. Mass Ave also contains the Massachusetts Avenue Commercial District, a historic district included on the National Register of Historic Places since 1982. Today it lies at the heart of the city's arts district. It offers some of the city's most visible theaters and art galleries as well as a number of shops and eateries.Gentrification in the 1990s propelled the area from squalor to one of the city's more fashionable addresses. Currently, redevelopment of Mass Ave focuses on fostering locally owned shops, theaters, and restaurants.

William Buschmann Block, also known as the Buschmann Block, is a historic commercial building located at Indianapolis, Indiana. It was built in 1870–1871, and is a three-story, L-shaped, Italianate style brick building. It was enlarged with a four-story wing about 1879. It sits on a rubble foundation and has round arched openings with limestone lintels. The building originally housed a retail and wholesale grocery business.: 2–3 It was listed on the National Register of Historic Places in 1988. It is located in the St. Joseph Neighborhood Historic District.

Lockerbie Square Historic District is a national historic district on the National Register of Historic Places within Indianapolis, Indiana, listed on February 23, 1973, with a boundary increase on July 28, 1987. It is noted for its Federal, Italianate, and Queen Anne style architecture. The original platting of Lockerbie Square, done by Jannett Smith Lockerbie McOuat and named for her father, Scottish immigrant George Murray Lockerbie, was between 1847 and 1850. The 1960s saw an immense effort to save the buildings within the district, becoming the first historic district in Indianapolis. Many of the buildings date from 1855 to 1930. James Whitcomb Riley, famed Hoosier poet, lived in the district for over two decades. He was known to give candy to local children on his regular walks.

Marion County is located in the U.S. state of Indiana. The 2020 United States census reported a population of 977,203, making it the most populous county in the state and 51st most populated county in the country. Indianapolis is the county seat, the state capital, and most populous city. Marion County is consolidated with Indianapolis through an arrangement known as Unigov. Marion County is the central county of the Indianapolis–Carmel–Anderson MSA in Central Indiana.

The James Whitcomb Riley Museum Home, one of two homes known as the James Whitcomb Riley House on the National Register of Historic Places, is a historic building in the Lockerbie Square Historic District of Indianapolis, Indiana. It was named a National Historic Landmark in 1962 for its association with poet James Whitcomb Riley (1849-1916), known as the "Hoosier poet".

The Morris–Butler House is a Second Empire-style house built about 1864 in the Old Northside Historic District of Indianapolis, Indiana. Restored as a museum home by Indiana Landmarks between 1964 and 1969, the American Civil War-era residence was the non-profit organization's first preservation project. Restoration work retained some of its original architectural features, and the home was furnished in Victorian and Post-Victorian styles. Its use was changed to a venue for Indiana Landmarks programs, special events, and private rentals following a refurbishment in 2013. Regular daily tours of the property have been discontinued.

The Athenæum, originally named Das Deutsche Haus (German: "The German House"), is the most ornate and best-preserved building affiliated with the German American community of Indianapolis. Once used as a German American Turnverein and clubhouse, it currently houses many groups, organizations, and businesses. The Athenæum is located across Massachusetts Avenue from the Old National Centre. It was placed on the National Register of Historic Places on February 21, 1973. On October 31, 2016, it was named the 41st National Historic Landmark in Indiana.

The Mayleeno is a historic apartment building located immediately behind the Athenæum (Das Deutsche Haus) at Indianapolis, Indiana. It was built in 1914, and is a three-story, U-shaped, brick and limestone building reminiscent of the Arts and Crafts movement. It features screened balcony porches on the front of each apartment unit.: Part 2, p. 36–37 It was listed on the National Register of Historic Places in 1983.

The Old National Centre, formerly known as the Murat Shrine Temple and the Murat Shrine Center, is located at North and New Jersey streets in Indianapolis, Indiana, and is owned by the Murat Shriners of the Ancient Arabic Order of the Nobles of the Mystic Shrine. The theater portion of the building is now known as the Murat Theatre at Old National Centre or simply the Murat Theatre and houses the oldest extant stage house in downtown Indianapolis. It is the only Shrine Center in the world with a name of French origin and is the largest Shrine Center in North America.

The Massachusetts is a historic apartment building located at Indianapolis, Indiana. It was built in 1905, and is a three-story, yellow brick and limestone building. The first floor has commercial storefronts and the two upper stories have four plain Tuscan order pilasters.: Part 2, p. 20–21 It was listed on the National Register of Historic Places in 1983. It is located in the Massachusetts Avenue Commercial District.

The Alexandra, also known as Lockerbie Court, is a historic apartment building located at Indianapolis, Indiana. It was built in 1902, and is a three-story, red brick and grey limestone building on a raised basement with Georgian Revival style detailing. It features six three-story polygonal bay windows on the front facade.: Part 2, p. 4–5 It was listed on the National Register of Historic Places in 1983.