Cummins Corporate Office Building

Mill Race Park is a city-owned park located in Columbus, Indiana (Bartholomew County), where the Flat Rock and the Driftwood rivers join together (forming the east fork of the White River) in downtown Columbus.

The Irwin Conference Center (formerly known as Irwin Union Bank) was designed by Eero Saarinen and built in 1954 in Columbus, Indiana. It is currently owned and operated by Cummins, whose world headquarters is located across Jackson Street in the Cummins Corporate Office Building. In recognition of its unique and beautiful design, the resource was designated a National Historic Landmark by the National Park Service in 2001. The building consists of a one-story bank structure and adjacent three-story office annex. A portion of the office annex was built along with the banking hall in 1954. The remaining, much larger portion, designed by Kevin Roche, John Dinkeloo and Associates, was built in 1973.

Chaos I is a kinetic artwork by Swiss artist Jean Tinguely located inside The Commons, which is downtown Columbus, Indiana, United States. The work was commissioned by J. Irwin Miller, his wife Xenia Miller, and E. Celementine Tangeman (Miller's sister) in late 1971 for The Commons, an enclosed public space designed by Cesar Pelli. The artwork is often simply called Chaos and is occasionally referred to as Chaos No.1.

Columbus City Hall is a historic city hall located at 5th Street and Franklin Street in Columbus, Indiana. It was designed by architect Charles Franklin Sparrell and built in 1895. It is a three-story, Romanesque Revival style red brick building on a limestone foundation. It features a steeply pitched slate roof, prominent parapet gables, and four-story tower above an arched entrance.: 2–3 It was added to the National Register of Historic Places on November 15, 1979. It is located in the Columbus Historic District.

Zaharakos Ice Cream Parlor is a restaurant in Columbus, Indiana.

The Cleo Rogers Memorial Library, also known as the Main Library, is the flagship library of the Bartholomew County Public Library system. It includes a branch in Hope, Indiana, and a bookmobile that serves the county. The building was designed by I. M. Pei & Partners and constructed by Dunlap & Company, completed in 1969, and dedicated in 1971. It is notable for its design of red brick with concrete details and its Library Plaza, an urban space punctuated by the sculpture, "Large Arch" by Henry Moore. It is named for Cleo Rogers (1905-1964) who was the county librarian for 28 years and assistant librarian for nine years.

Bartholomew County Courthouse is a historic courthouse located at Columbus, Bartholomew County, Indiana. It was designed by noted Indiana architect Isaac Hodgson, built in 1871–1874 at the cost of $250,000, and dedicated in 1874. Construction was by McCormack and Sweeny. The building was hailed as "the finest in the West" upon its completion.It is a three-story, Second Empire-style red-brick building trimmed in limestone. It features a mansard roof, corner pavilions, Corinthian-order portico, and a six-level clock tower.: 2–3  The clock tower is 154 feet tall. A six-inch thick, 10-ten clock bell was installed in 1875. The clock's weighted mechanism were replaced with an electric motor in 1940 and a 900-pound weight fell.It was added to the National Register of Historic Places on November 15, 1979. It is located in the Columbus Historic District.

The First Christian Church (originally known as the Tabernacle Church of Christ) in Columbus, Indiana, was built in 1942. It was the first contemporary building in Columbus and one of the first churches in the United States to be built in a contemporary architectural style.The building, designed by Finnish architect Eliel Saarinen, consists of a glass-fronted main hall, with a tower and bridge section. Interior details such as light fixtures, screen and furniture were designed by Saarinen's son Eero Saarinen (who would later design the North Christian Church in Columbus) and Charles Eames. The building was designated a National Historic Landmark by the National Park Service in 2001.

The Crump Theatre is located in downtown Columbus, Indiana, at 425 Third Street, is part of the Columbus Historic District, which is listed on the National Register of Historic Places. The theatre is owned by the Columbus Capital Foundation and periodically used as an event space for a variety of acts, including musicians, comedians, and paranormal investigators.

Columbus Historic District is a national historic district located at Columbus, Bartholomew County, Indiana. It encompasses 574 contributing buildings and 1 contributing sites in the central business district and surrounding residential areas of Columbus. It was developed between about 1850 and 1930, and includes notable examples of Federal and Italianate style architecture. A number of commercial buildings feature locally manufactured cast iron and pressed metal components. Located in the district are the separately listed Bartholomew County Courthouse, Columbus City Hall, and First Christian Church. Other notable buildings include the First National Bank, The Crump Theatre (1889), Reo Theater, Ulrich Bakery (c. 1850), Samuel Harris House (1853), Keller House (1860), Old Post Office (1910), Franklin Building (c. 1870), Gent Mill (c. 1875), First United Presbyterian Church (1871-1885), Irwin Block (c. 1890), Irwin Home and Gardens (1864, 1910), and St. Batholomew's Roman Catholic Church (1891).It was listed on the National Register of Historic Places in 1982.

The Columbus Pump House, which is also known as the Columbus Power House and the Senior Center, was designed by the architect Harrison Albright and completed in 1903. It stands on the banks of the East Fork of the White River at the foot of Second Street in Columbus, Indiana, USA. In 2016, it was renovated to become a restaurant for the Upland Brewing Company. From 1903 to 1951, ws the city's water works and pumped water from the river for domestic use. It also produced electricity for the city's street lighting. The city sold the property in 1952 and it was renovated to become Southern Machine Company. With a 1976 renovation it became the "Senior Center", which used the building until 2011 when that group moved into the newly built Mill Race Center. It is currently a brewpub operated by Upland Brewing Company.

The Republic Newspaper Office is a modernist building in Columbus, Indiana that was originally home to the local newspaper The Republic. Completed in 1971, it is an acknowledged masterpiece of Modern architect Myron Goldsmith, and was designated a National Historic Landmark for its architecture in 2012.