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  <title type="text">DC Historic Sites</title>
  <updated>2026-08-28T18:18:19+00:00</updated>
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    <name>DC Historic Sites</name>
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    <title type="html"><![CDATA[Treasury Department: The Treasury building is the home of the federal government’s second oldest department, established in 1789.]]></title>
    <summary type="html"><![CDATA[<img src="https://historicsites.dcpreservation.org/files/fullsize/ff91de76d1bb537659917a73ee6f3540.jpg" alt="Aerial view of U.S. Treasury Department building, Washington, D.C., [between 1980 and 2006]" /><br/><p>Built between 1836 and 1869, the Treasury Department building is the work of five major American architects—Robert Mills, Thomas U. Walter, Ammi B. Young, Isaiah Rogers, and Alfred B. Mullett. Conceived and built in the Greek Revival style that captured the spirit of the young republic, this building and the <a href="https://historicsites.dcpreservation.org/items/show/464">Patent Office</a>, undertaken at the same time, are the most outstanding examples of Greek Revival civil architecture in the country. Not only were they the largest non-military buildings undertaken by the federal government in their own time, but they also influenced countless examples of civil architecture across the nation.</p><p>From 1800, the Treasury Department was housed in the first of George Hadfield’s three brick Executive Offices, built between 1798 and 1799 on the site of the present north wing. The Treasury Office caught fire in 1801, 1814, and 1833, and it was not reconstructed after the third conflagration. Robert Mills, who had been in the capital since 1830, was asked to assess the fire, and by 1836, his plans for a new Treasury building were accepted by Andrew Jackson. Undoubtedly, a major reason for Mills’s selection was his interest in fireproof construction, demonstrated by his Fireproof Building (1822-27) in Charleston, South Carolina. Mills had also studied with both Thomas Jefferson and Benjamin Latrobe.</p><p>Mills’s design for the Treasury called for an E-shaped building opening west toward the White House, with a long classical facade on 15th Street, but only the east front and center wing were built under his supervision, from 1836 to 1842. The unusual vaulted structural system of the building and its monumental scale aroused suspicion in Congress, as well as some sharp professional jealousies among rival architects. In 1838, a bill was introduced in Congress to authorize the demolition of the half-completed structure. The architect presenting the case for demolition was Thomas U. Walter, Philadelphia’s leading Greek Revival practitioner. Walter was appointed Architect of the Capitol in 1851, and he was authorized to prepare plans for extending the Treasury in 1855. His concept, which was carried through as others executed the work, established the ultimate rectangular layout, double courtyards, and portico facades.</p><p>The south wing was built from 1855 to 1861 under the supervision of Ammi B. Young, appointed Supervising Architect of the Treasury in 1852. While Mills had been forced to use Aquia Creek sandstone, the extension was carried out in granite. The columns were monoliths, whereas Mills’ had been built up in drums. Young was abruptly dismissed by Secretary Salmon P. Chase in 1862 and replaced by Isaiah Rogers, who remained in the job until 1865, supervising completion of the west wing (1855-64), addition of an attic floor on all the wings (1863-65), and preliminary planning for the north wing. Upon his resignation, Rogers was succeeded by his former subordinate Alfred B. Mullett, who completed the north wing between 1867 and 1869. This wing contains the elaborately decorated marble Banking Room, which was the setting for Ulysses Grant’s first inaugural ball in 1869.</p><p>The Mills interiors are minimally decorated, their architectural character resulting from the masonry barrel-vaulted corridors, flanked by groin-vaulted offices. The elegantly curved, cantilevered marble staircases are a signature of his work. In contrast, the interiors of the three later wings rely much more on interior decoration for their architectural character. Their structural system, influenced by the emergent cast iron technology, is one of shallow brick vaults supported on cast iron beams, producing rectilinear volumes and a much less sculptural appearance. In these wings, Young, Rogers, and Mullett made extensive and imaginative use cast iron of and cast plaster decoration, including cast iron pilasters and friezes in the main corridors. Mullett’s Cash Room is the most lavish space in the building, displaying seven varieties of marble in the paneled walls, and richly sculptural bronze railings for the balcony.</p><p>By the late 1890s, the need for additional office space led to the insertion of a large truss-roofed drafting room in the south courtyard, for use by the Supervising Architect of the Treasury. The poor quality of the building’s original Aquia Creek sandstone led to the rebuilding of Mills’ colonnade. Architects York and Sawyer added an attic story to the building between 1909 and 1910 and made other alterations through 1923. The north entrance statue of Alexander Hamilton, by James Earle Fraser on a base by Henry Bacon, was also installed in 1923.</p><p>DC Inventory: November 8, 1964 (Joint Committee on Landmarks)</p><p>National Register: November 11, 1971</p><p>National Historic Landmark: November 11, 1971</p><p>Within <a href="https://historicsites.dcpreservation.org/items/show/470">Pennsylvania Avenue National Historic Site</a>, <a href="https://historicsites.dcpreservation.org/items/show/198">Financial Historic District</a>, and <a href="https://historicsites.dcpreservation.org/items/show/319">Lafayette Square Historic District</a></p><p>This site is included in the <a href="https://historicsites.dcpreservation.org/tours/show/54%20">Women's Suffrage in Washington DC</a> tour for its role as a staging area for allegorical performances at the end of the 1913 Women's Suffrage Parade.</p><p><em><strong><a href="https://historicsites.dcpreservation.org/items/show/603">For more (including 7 images) view the original article</a></strong></em></p>]]></summary>
    <published>2016-03-25T20:55:33+00:00</published>
    <updated>2026-07-02T17:00:55+00:00</updated>
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      <name>DC Historic Sites</name>
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    <title type="html"><![CDATA[Saint Elizabeths Hospital Historic District: Saint Elizabeths is one of the nation’s earliest and most significant institutions for the treatment of mental illness. ]]></title>
    <summary type="html"><![CDATA[<img src="https://historicsites.dcpreservation.org/files/fullsize/a39a04b596248afc2c22fd1fa2a44d4c.jpg" alt="Aerial view of St. Elizabeth&#039;s Hospital, Washington, D.C." /><br/><p>Established largely through the efforts of Dorothea Dix, the leading mental health reformer of the 19th century, Saint Elizabeths Hospital was chartered by Congress in 1852 as the Government Hospital for the Insane, with a mission of providing “the most humane care and enlightened curative treatment” for patients from the Army, Navy, and District of Columbia. The hospital opened in 1855, and shortly after the outbreak of the Civil War, it became a general hospital for sick and wounded combatants. It was these wartime patients who originated the use of the name Saint Elizabeths, after the property’s 17th-century land patent, out of reluctance to use the hospital’s formal name. Congress officially renamed the institution in 1916.</p><p>As was customary and considered healthful, the hospital grounds were established outside the city limits, on what was the Barry Farm overlooking the Anacostia River. The first structure, the innovative four-story Center Building (built between 1853 and 1855), was designed by superintendent Charles Nichols and architect Thomas U. Walter in a castellated Gothic Revival style. The building was an early example of the “linear plan” for mental hospital wards developed by reformer Thomas Kirkbride. Several more buildings were constructed to treat veterans after the Civil War, and by the 1890s, the institution had grown into a complex of residential and treatment buildings, as well as a central kitchen, boiler house, ice plant, bakery, dairy, firehouse, gatehouses, and barns. A major expansion occurred at the turn of the century, with Italianate classical buildings designed by Boston architects Shepley, Rutan & Coolidge; further expansion occurred through the 1950s. The campus is also notable for its designed picturesque landscapes. Gardening became part of patient therapy, as did work on the hospital farm, which lasted into the 20th century.</p><p>St. Elizabeths served as a model for later institutions, both as a pioneer of humane treatment for the mentally ill and for its advancement of innovative therapeutic and diagnostic techniques. Over 150 years, the hospital treated perhaps 125,000 patients, and at its mid-20th-century peak, it housed 7,000 patients with a staff of 4,000. Well-known patients have included presidential assassin Charles Guiteau and poet Ezra Pound. Thousands of former patients are believed to be buried in unmarked graves across the campus, and several hundred Civil War soldiers are interred in two small cemeteries.</p><p>The historic district encompasses both a <a href="https://historicsites.dcpreservation.org/items/show/990">West</a> and <a href="https://historicsites.dcpreservation.org/items/show/991">East Campus</a>, and includes more than 30 contributing buildings, dating from 1853 through the mid-20th century.</p><p>The General Services Administration is not currently offering tours to the public.</p><p>DC Inventory: May 26, 2005</p><p>National Register: April 26, 1979</p><p>National Historic Landmark: December 14, 1990</p><p><em><strong><a href="https://historicsites.dcpreservation.org/items/show/524">For more (including 6 images) view the original article</a></strong></em></p>]]></summary>
    <published>2016-03-25T14:35:25+00:00</published>
    <updated>2026-08-28T18:18:19+00:00</updated>
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