United States District Court for the Southern District of Indiana

The Birch Bayh Federal Building and U.S. Courthouse, formerly known as the U.S. Courthouse and Post Office and as the Federal Building, is a courthouse of the United States District Court for the Southern District of Indiana, located in Indianapolis. It is a distinguished example of Beaux-Arts architecture, and was listed in the National Register of Historic Places in 1974. Constructed from 1902 to 1905, the United States District Court for the District of Indiana met here until it was subdivided in 1928; the United States Circuit Court for the District of Indiana met here until that court was abolished in 1912. It was listed on the National Register of Historic Places as "U.S. Courthouse and Post Office" in 1974. The courthouse was renamed in honor of Senator Birch Bayh in 2003.

Salesforce Tower (formerly known as Bank One Tower, then Chase Tower, and originally conceived as American Fletcher Tower) is the tallest building in the U.S. state of Indiana. Opening in 1990, it surpassed the AUL Tower (now OneAmerica Tower) in Indianapolis for the distinction. The building's twin spires' are 811 feet (247 m) tall, while the 48 floors of office and retail space and 2 building equipment floors above that peak at the 701-foot (214 m) roof. It is the regional headquarters of Salesforce, which moved into the tower in the late-2010s and currently occupies a large amount of space in the building. While the tower has two spires of equal height, only one of them is functional as a transmission antenna. The other mast is merely an architectural decoration. The building was designed by KlingStubbins, and built by Indianapolis-based Huber Hunt & Nichols.The tower's step pyramidal cap reflects the design of the Indiana War Memorial, three blocks due north. The War Memorial, in turn, reflects the descriptions of the original Mausoleum. Because of the height of this building, its roof was specifically designed to house communications relay equipment, in order to provide additional revenue to the building's owners. Over the past several years, two large banners have occasionally been placed outside the north and south communication bullpen areas of the roof in support of two of the city's professional sports franchises. These "Go Pacers" and "Go Colts" signs are highly visible being on the tallest structure in the city.

Depew Memorial Fountain is a freestanding fountain completed in 1919 and located in University Park in downtown Indianapolis, Indiana, within the Indiana World War Memorial Plaza.

Spink Arms Hotel, also known as the Lionel Artis Center, is a historic hotel building located at Indianapolis, Indiana. It was built in 1919, and consists of two eight-story, brick towers linked by a one-story connector. It is in the Tudor Revival style and features twin four-story oriel windows on each tower and a crenellated parapet. Behind the building is a four-story parking garage constructed in 1922.: 5 It was listed on the National Register of Historic Places in 2001.

The Columbia Club is a private club located on Monument Circle in downtown Indianapolis, Indiana, United States. The current structure was built in 1925 as the club's third home on the same site.

Christ Church Cathedral is the cathedral for the Episcopal Diocese of Indianapolis. Christ Church parish was formally organized in 1837. The present-day church building was erected in 1857 on Monument Circle at the center of downtown Indianapolis to replace the parish's first church built on the same site. Designed by architect William Tinsley, the English Gothic Revival-style structure is the oldest church building in Indianapolis and Marion County, Indiana, that has remained in continuous use. It is also the oldest building on Monument Circle. Christ Church is known for its music, especially its pipe organs, one of which was donated by Ruth Lilly, and its professional Choir of Men and Boys and Girls' Choir. The parish is also known for its community service, including an annual strawberry festival fundraiser and other charitable work. Christ Church Cathedral was added to the National Register of Historic Places on July 10, 1973. It is located in the Washington Street-Monument Circle Historic District.

The AT&T Building is a high rise located at 240 North Meridian Street in Indianapolis, Indiana. It was opened in 1932 and is 22 stories tall. It is primarily used for office space and is the headquarters for AT&T in Indiana. The AT&T Building is connected to 220 Meridian (formerly known as the AT&T 220 Building), located directly south. The building has been expanded and has achieved its present form only after a few iterations.

EdChoice, formerly the Friedman Foundation for Educational Choice, is an American education reform organization headquartered in Indianapolis, Indiana. It was founded in 1996 by economist spouses Milton and Rose D. Friedman. The organization's mission is to advance "school choice for all children" nationwide.EdChoice has been called "the nation's leading advocate of vouchers" by The Wall Street Journal. EdChoice, according to its website, works with "nonprofits, schools, community organizations, businesses, parents, teachers, and concerned citizens to provide general education, outreach, and advocacy on school choice".

300 North Meridian is a high rise in Indianapolis, Indiana. Construction started in 1987, financed by Browning Investments. The architects, Haldeman Miller Bregman Hamann (now BOKA Powell), built the outside with brownish-reddish granite and black windows, and capped the skyscraper with a copper-colored dome. Only the eastern side rises to the full height of the building; the northern and southern sides rise in a staircase shape toward the east. The architects intended 300 North Meridian's design to echo the adjacent Chamber of Commerce building. It was completed in 1989 and is currently the fifth-tallest building in the city. 300 North Meridian is primarily used for office space, although 9 of its floors are occupied by a parking garage. Of the building's 509,582 square feet of space, only 347,551 square feet are usable by offices. As of February 2014, 17.5% of the usable office space is vacant, and the building is owned by REI Real Estate Services. The building was valued at $39 million in 2013.One of the main tenants of 300 North Meridian is the law firm Faegre Drinker Biddle & Reath, known as Baker & Daniels at the time of construction. The group has a lobby on the 25th floor.

BMO Plaza, formerly the M&I Plaza, is a high-rise office building located at 135 North Pennsylvania Street in Indianapolis, Indiana. It was completed in 1988 and is currently the sixth-tallest building in the city, at 401 ft (122 m) with 31 stories. It is primarily used for office space. At 432,300 square feet (40,160 m2), BMO Plaza is the ninth-largest office building downtown, according to IBJ statistics. Tenants include BMO Harris Bank, U.S. Department of Defense, and General Electric Capital Services.

The 220 Meridian, formerly known as the AT&T 220 Building, is a 23-floor high rise located at 220 North Meridian Street in Indianapolis, Indiana. It was completed in 1974 when it served as the headquarters of Indiana Bell.It is connected with the 22-story AT&T Building, located just to the north at 240 North Meridian Street, and both buildings housed the Indiana headquarters for AT&T. The AT&T 220 Building was sold to Cleveland-based Geis Properties in 2013 for $16.5 million. In 2017, the building was purchased Keystone Realty Group which has proposed spending $80 million to convert it to mixed-use with restaurants, office space, apartments, and parking.

Regions Tower, also known as One Indiana Square, is a 36-story building at 211 North Pennsylvania Street in downtown Indianapolis, Indiana, United States. It is used by various companies for offices. The building opened in 1970 as the headquarters of Indiana National Bank. The building now serves as the Indiana headquarters for Regions Financial Corporation. The building also carries the Regions name and logo. The tower rises from a multi-story base and covers the southern half of the block bounded by Pennsylvania, New York, Delaware, and Ohio streets. The façade is covered by dark-tinted glass beneath the tower and recessed to allow a covered promenade on the west and portions of the north and south sides. The promenade roof is supported by marble-clad square columns on its exterior. The eastern portion of the base houses a parking garage. Original plans called for two additional towers on the northern half of the block, one of twenty stories in the northeast corner and one of twelve stories in the northwest corner, but neither was constructed. The first block of Massachusetts Avenue originally ran diagonally through the block, but was vacated for the project. The Knights of Pythias Building, a flatiron-shaped building at the corner of Massachusetts and Pennsylvania, was among those demolished to allow for the building's construction.In the mid- to late-1990s, building owners installed a new façade and exterior lighting after weather damage to the building in 1978, 1980, and 1990. The building underwent another exterior remodeling after damage by tornado-strength winds on April 2, 2006. Owners of One Indiana Square have invested in new LED lighting system. The latest facade is a light blue curtain wall, by Gensler of San Francisco, that is largely transparent.