Fort Stevens (New York)

Mill Rock is a small uninhabited island between Manhattan and Queens in New York City. It lies about 1,000 feet (300 m) off Manhattan's East 96th Street, south of Randalls and Wards Islands, where the East River and Harlem River converge. Mill Rock is located at Hell Gate, formerly an infamously treacherous area for ships to pass.

On March 11, 2018, a sightseeing helicopter crashed into the East River off the Upper East Side of Manhattan, New York City, killing 5 people. Two passengers died at the scene, and three others were pronounced dead at the hospital. The pilot escaped the helicopter following the crash. The aircraft was operated by Liberty Helicopters for FlyNyon. Two people were from New York state; another two were from Dallas, Texas; and the fifth was from Argentina. The pilot is from Connecticut.

First Reformed Church of Astoria was organized and established in 1839 and continues to operate, both as a church and as a center for family and holiday-oriented events.

The Stevens House was located on Vernon Boulevard and 30th Road in Astoria, Queens, New York City. The Stevens House is a large wood-frame house set on a stone foundation featuring a porch supported by bricks piers. The original house "stood on the top of a hill, from which there was an extensive view of the East River or Sound, which before the channel was freed from its many obstructions was most picturesque with its ever-changing, whirling, eddying currents."

Blackwell Island Lighthouse, now known as Roosevelt Island Lighthouse, also was known as Welfare Island Lighthouse, is a stone lighthouse built by the government of New York City in 1872. It is within Lighthouse Park at the northern tip of Roosevelt Island in the East River. It was named to the National Register of Historic Places on March 16, 1972 and was designated a New York City Landmark on March 23, 1976.

The Girl Puzzle Monument honoring activist and journalist Elizabeth Cochrane Seaman, pen name Nellie Bly (1864-1922), is a public sculptural installation by American artist Amanda Matthews, CEO/Partner of Prometheus Art Bronze Foundry and Metal Fabrication. The installation is located on the northern tip of Roosevelt Island in Lighthouse Park (named after the Blackwell Island Light) in the New York City borough of Manhattan. The location is significant because of its proximity to the remains of the old Blackwell Island Asylum - The Octagon is the last remnant of the original building where Nellie Bly went undercover as a patient while working as a reporter at the New York World. Nellie Bly wrote of the mistreatment of patients at the asylum in a series of articles and then in 1887 had them compiled into a book, Ten Days in a Mad-House. The Roosevelt Island Operating Corporation (RIOC) awarded to Amanda Matthews the project as the result of a widely published open call for artists. In a press release by New York Governor Andrew Cuomo, Susan Rosenthal (the then President and CEO of RIOC) stated, "The committee, made up of RIOC employees and community leaders, unanimously selected this bold installation that will not only represent Nellie Bly's time here, but her impact on the world." The initial unveiling was scheduled for 2020, but was rescheduled for 2021 due to the COVID-19 pandemic.

Sohmer and Company Piano Factory is a historic piano factory located in the Astoria neighborhood of Queens, New York City. It was built in 1886 by Sohmer & Co., and is a six-story, "L"-shaped, Rundbogenstil / Romanesque Revival style brick building. The corner features a clock tower with a copper trimmed mansard roof. The building was expanded about 1906–1907. It was converted to residential usage starting in 2007.: 3 The building was designated as a New York City individual landmark in 2007 for its role in the history of New York City's piano manufacturing industry. It was listed on the National Register of Historic Places in 2014.

Lighthouse Park is at the northern end of Roosevelt Island and its three acres includes Blackwell Island Light as well as a new public art piece called The Girl Puzzle honoring Nellie Bly and her work on the island's asylum.The park, which stretches from the lighthouse south to Coler Hospital, was designed by landscape architect Nicholas Quennell in 1977 following the lighthouse's decommission.

Archibald Gracie Mansion (commonly called Gracie Mansion) is the official residence of the Mayor of New York City. Built in 1799, it is located in Carl Schurz Park, at East End Avenue and 88th Street in the Yorkville neighborhood of Manhattan. The mansion overlooks Hell Gate channel in the East River.

On June 28, 1880, a boiler aboard the steamboat Seawanhaka exploded while the boat was in the East River near Wards Island, New York City, setting the boat on fire and resulting in the deaths of 24 to 35 people. A coroner's jury found that although the boiler had passed inspection the prior March and should have been in good working condition, the loss of life was exacerbated by the poor discipline of the boat crew following the explosion.

The Wards Island Bridge, also known as the 103rd Street Footbridge, is a bridge crossing the Harlem River between Manhattan Island and Wards Island in the Manhattan borough of New York City that does not allow vehicular traffic. The vertical lift bridge has a total of twelve spans consisting of steel towers and girders. It carries only pedestrian and bicycle traffic. On the Manhattan side of the river, the bridge is located at East 103rd Street, between Exits 14 and 15 of the FDR Drive. The bridge is accessible from the East River Greenway and a pedestrian overpass across the FDR Drive to the East River Houses apartment complex in East Harlem. The bridge connects to the southwestern corner of Wards Island and provides access to the many playing fields and scenic waterfront of Randall's Island and Wards Island Parks. Wards Island Bridge is open to pedestrians and cyclists 24 hours a day, year-round. Prior to a 2010–2012 renovation, the bridge had only been available for use from April through October during the daytime.

Carl Schurz Park is a 14.9-acre (6.0 ha) public park in the Yorkville neighborhood of Manhattan, New York City, named for German-born Secretary of the Interior Carl Schurz in 1910, at the edge of what was then the solidly German-American community of Yorkville. The park contains Gracie Mansion, the official residence of the Mayor of New York.