23rd Street station (BMT Broadway Line)

William Henry Seward is an outdoor bronze sculpture of William H. Seward by artist Randolph Rogers, located in Madison Square in Manhattan, New York. Dedicated on September 27, 1876, it believed to be the city's first monument depicting a New York resident. The portrait statue is set on a red Levante marble pedestal.

The Flatiron Building, originally the Fuller Building, is a triangular 22-story, 285-foot-tall (86.9 m) steel-framed landmarked building located at 175 Fifth Avenue in the eponymous Flatiron District neighborhood of the borough of Manhattan, New York City. Designed by Daniel Burnham and Frederick Dinkelberg, it was one of the tallest buildings in the city upon its 1902 completion, at 20 floors high, and one of only two "skyscrapers" north of 14th Street—the other being the Metropolitan Life Insurance Company Tower, one block east. The building sits on a triangular block formed by Fifth Avenue, Broadway, and East 22nd Street—where the building's 87-foot (27 m) back end is located—with East 23rd Street grazing the triangle's northern (uptown) peak. As with numerous other wedge-shaped buildings, the name "Flatiron" derives from its resemblance to a cast-iron clothes iron.Called "one of the world's most iconic skyscrapers and a quintessential symbol of New York City", the building anchors the south (downtown) end of Madison Square and the north (uptown) end of the Ladies' Mile Historic District. The neighborhood around it is called the Flatiron District after its signature, iconic building. The building was designated a New York City landmark in 1966, was added to the National Register of Historic Places in 1979, and was designated a National Historic Landmark in 1989.

The Flatiron District is a neighborhood in the New York City borough of Manhattan, named after the Flatiron Building at 23rd Street, Broadway and Fifth Avenue. Generally, the Flatiron District is bounded by 14th Street, Union Square and Greenwich Village to the south; the Avenue of the Americas (Sixth Avenue) and Chelsea to the west; 23rd Street and Madison Square (or NoMad) to the north; and Park Avenue South and Gramercy Park to the east.Broadway cuts through the middle of the district, and Madison Avenue begins at 23rd Street and runs north. At the north (uptown) end of the district is Madison Square Park, which was completely renovated in 2001. The Flatiron District encompasses within its boundaries the Ladies' Mile Historic District and the birthplace of Theodore Roosevelt, a National Historic Site. The Flatiron District was also the birthplace of Silicon Alley, a metonym for New York's high technology sector, which has since spread beyond the area.The Flatiron District is part of Manhattan Community District 5. Residents are represented by the Flatiron Alliance neighborhood association and nearby businesses by the Flatiron/23rd Street Partnership business improvement district, though the two have different (partially overlapping) boundaries.

The 23rd Street Fire was an incident that took place in the Flatiron District neighborhood of Manhattan, New York City, on October 17, 1966. A group of firefighters from the New York City Fire Department responding to a fire at 7 East 22nd Street entered a building at 6 East 23rd Street as part of an effort to fight the fire. Twelve firefighters were killed after the floor collapsed, the largest loss of life in the department's history until the collapse of the World Trade Center in the September 11 attacks of 2001.

The Toy Center, also known as the International Toy Center, is a complex of buildings in the Flatiron District of Manhattan, New York City, that for many years was a hub for toy manufacturers and distributors in the United States. It consists of two buildings located between 23rd Street and 25th Street across from Madison Square, where Fifth Avenue and Broadway cross. The American International Toy Fair, the industry's major annual trade show, is held annually in February at both the Toy Center and the Javits Center on 34th Street.

The Fifth Avenue Hotel was a luxury hotel located at 200 Fifth Avenue in Manhattan, New York City from 1859 to 1908. It had an entire block of frontage between 23rd Street and 24th Street, at the southwest corner of Madison Square.

Packard's Business College or Packard Business College was a post-secondary business college in New York City which provided a concentrated one-year education in practical business subjects, such as arithmetic, bookkeeping, penmanship, and business correspondence. The school was well respected for the quality of its graduates.The school was founded 1858, under the name of Bryant, Stratton & Packard's Mercantile College, by Mr. S. S. Packard and was the New York branch of a chain known as the Bryant & Stratton chain of business colleges. In 1867 Mr. Packard purchased the Bryant & Stratton interest in the New York College, and changed its name to Packard's Business College.The teachers employed in the college were chosen for their practical and theoretical knowledge of business affairs. A Packard Business College, situated at 22nd and Broadway, New York, was featured in the 1947 film The Shocking Miss Pilgrim, whose initial graduates are described as "the first group of typewriters to graduate from any business college anywhere in the world".

The Dewey Arch was a triumphal arch that stood from 1899 to 1900 at Madison Square in Manhattan, New York. It was erected for a parade in honor of Admiral George Dewey celebrating his victory at the Battle of Manila Bay in the Philippines in 1898.

Eisenberg's Sandwich Shop is a New York City lunch counter established in the Flatiron District in 1928.

The Eternal Light Flagstaff is a memorial monument located in Madison Square Park in Manhattan, New York City which was dedicated on Armistice Day, November 11, 1923, and commemorates the return to the United States of members of the United States armed forces who fought in World War I, who were officially received by the city on that site in 1918. It was designed by architect Thomas Hastings of Carrère and Hastings, and consists of a flagstaff and a sculpture by Paul Wayland Bartlett. The memorial was commissioned by department store magnate Rodman Wanamaker and cost $25,000 to construct. It was completed in 1924.The 125-foot (38 m) flagstaff was originally made of Oregon pine, which in 1976 was replaced with one made from metal. At the top is a luminere in the shape of a star, which, as a tribute to those who gave their lives in the war, is intended to be lit at all times. The lights inside it are connected in such a way that if one circuit fails, another one would take over.The flagstaff is set on an ornamental pedestal made of Milford pink granite, with a cap made of bronze which includes garlands and rams heads. The pedestal is inscribed with the sites of battles, as well as a tribute to those soldiers, sailors and marines who died in the war. The inscription reads, in part: An Eternal LightAn inspirationand a Promise ofEnduring PeaceThis star was lightedNovember XI MCMXXIIIIn memory of those who havemade the supreme sacrificefor the triumph of the Free Peoples of the World In 1927, in the middle of a parade celebrating his accomplishments, Charles A. Lindbergh placed a memorial wreath on the monument. The press of people trying to watch was so great that the barriers put up to hold the crowd broke, and police had to create a human chain to do the job.The Eternal Light Flagstaff is part of the New York City Department of Parks and Recreation's "Art in the Parks" collection.

935–939 Broadway is a six-story Italianate brownstone structure designed by the architect Griffith Thomas in the Flatiron District of Manhattan, New York City.

The Madison Square Fountain, also known as the Southern Fountain, is an ornamental fountain located in Madison Square Park in the Flatiron District of Manhattan, New York. It was the only one of several planned fountains to be realized. The current fountain is a modern reproduction of the original, installed in 1990 and renovated in 2015.