Security Bank Building (Sioux Falls, South Dakota)

CenturyLink Tower (formerly Qwest Tower) is a 296,448 sq.ft office building located in downtown Sioux Falls, South Dakota. It is 174 feet tall, has 11 stories, and is the tallest building in the state of South Dakota. Previously the 202-foot Zip Feed Tower was the tallest building in Sioux Falls, as well as South Dakota.

The Hotel on Phillips is a hotel at 100 N. Phillips Ave. in Sioux Falls, South Dakota. It is located in the former Sioux Falls National Bank building, a skyscraper built in 1917, during World War I. The building was listed on the National Register of Historic Places in 1979 as "Sioux Falls National Bank Building". The property has also been known as the 100 North Phillips Building.It was the tallest building in the state of South Dakota when it was built, and remained the tallest when it was listed on the National Register. (In 2019, the tallest is the CenturyLink Tower, also in Sioux Falls, built in 1986.) It has been termed Sullivanesque. It was designed by architects Weary & Alford of Chicago. It was built by builders Pike & Cook of Minneapolis.The hotel has been included by the National Trust for Historic Preservation in its Historic Hotels of America program since 2019.According to the Historic Hotels of America program, "The lead architect for the project was Oscar Wentworth [sic, apparently meaning Oscar Wenderoth], a former director of the Office of the Supervising Architect of the United States Government. With help from the contracting company Pike & Cook, Wentworth spent the next year developing the nine-story skyscraper with designs inspired by the architectural aesthetics of the visionary John Sullivan. The building today stands as the only remaining example of this unique brand of architecture—known as Sulluvanesque—in all of Sioux Falls."

The Central Fire Station of Sioux Falls, South Dakota, also known as Station No. 1, at 100 S. Minnesota Ave., was built in 1913. It was listed on the National Register of Historic Places in 1980.It was designed by architect Joseph Schwarz to hold horse-drawn fire apparatuses, and to stable the horses.

Parker's Bistro is a restaurant and craft cocktail bar in downtown Sioux Falls, South Dakota. Opened in 2009, it is located in the Ballard Block, a contributing property to the Sioux Falls Downtown Historic District.

The Carpenter Building, historically the Carpenter Hotel or Hotel Carpenter and known colloquially as The Carpenter, is a historic building at 221 South Phillips Avenue in downtown Sioux Falls, South Dakota. Originally serving as a hotel from 1912 to 1966, it is now used for retail and apartment space. It was listed on the National Register of Historic Places in 1986.

First Congregational Church is a historic church in Sioux Falls, South Dakota. It was built in 1907 and was added to the National Register in 1983.It is a 2+1⁄2-story church with unequal towers at its front corners and a "tower-like structure" on its north facade which holds the rear entrance.A two-story educational wing was added 1955. This structure, designed by Lucas, Craig & Whitwam, originally had a curtain wall of glass and dark panels with aluminum framing on the west facade (i.e. front facade). At some point after the 1983 nomination to the register, this facade was replaced with an attempt to copy the Richardsonian Romanesque exterior of the 1907 church.

The Washington Pavilion of Arts and Science opened in 1999 and houses an art gallery, concert hall, large-format theater, and science museum in Sioux Falls, South Dakota, United States. Its building, the former Washington High School, is listed on the National Register of Historic Places.

The Orpheum Theater (historically spelled Orpheum Theatre), formerly the Sioux Falls Community Playhouse, is a historic theater at 315 North Phillips Avenue in downtown Sioux Falls, South Dakota. It is the oldest theater in Sioux Falls and was listed on the National Register of Historic Places in 1983. Originally, it hosted vaudeville performances, and briefly served as a movie theater before being converted again into a stage theater, which it remains today.

The Eighth Street Bridge in Sioux Falls, South Dakota brings S. Eighth St. over the Big Sioux River. It is a triple-arch concrete deck arch bridge that was built in 1912 by N.M. Stark and Company. It has also been known as the South Dakota Dept. of Transportation Bridge No. 50-203-206. It was listed on the National Register of Historic Places in 1993.Its NRHP nomination notes that it has a four-lane roadway and rests on piers that "are protected by pointed cutwaters with conical caps." The roadway is "flanked by sidewalks and concrete railings with neoclassically detailed balustrades. The railings mark the position of each pier with an elegant, fluted cast-iron light stand ornamented with consoles at the base."Restoration work on the bridge was done in 1977.

The State Theatre is a historic one-screen movie theater in Sioux Falls, South Dakota. Opened in 1926, it operated continuously until 1990 when it was closed amidst the popularity of multiplexes. In 2005, a city-supported group was formed to finance the renovation and re-opening of the venue. In December 2020, the State Theatre resumed screening movies. The historic building was designed by Buechner & Orth, an architecture firm from Saint Paul, Minnesota.

The Rock Island Depot is a historic railroad station located at 201 East 10th Street in Sioux Falls, South Dakota. The station opened in 1886 to serve the Burlington, Cedar Rapids and Northern Railway, a predecessor of the Rock Island. The ashlar and wood building has a Richardsonian Romanesque design with a side-facing stone gable and an octagonal turret. The interior of the station includes a waiting room, a ticket office, and the station agent's quarters. As the railroad network spread through South Dakota, Sioux Falls became the state's primary commercial and transportation hub due to its established station. The station served passenger trains through Sioux Falls until 1970.The station was added to the National Register of Historic Places on February 15, 1974.

The Old Minnehaha County Courthouse, located at Main Avenue and 6th Street in Sioux Falls, is the former county courthouse of Minnehaha County, South Dakota. The courthouse, which was the seat of county government from 1890 to 1962, is one of the oldest buildings in Sioux Falls. The Richardsonian Romanesque building was designed by local architect Wallace L. Dow and built from locally quarried quartzite, a common building material in Sioux Falls at the time. The three-story building features a tall clock tower over the front entrance. The building's doorways are surrounded by Roman archways; the second- and third-story windows are also arched, while the first-story windows are rectangular. The attic windows have decorative dormers aligned with the front walls.The courthouse was added to the National Register of Historic Places on May 10, 1973.