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The Plaza Theatre is a historic building in El Paso, Texas built in 1930. The theater stands as one of the city's most well-known landmarks, and remains operational today. The theatre is a National Historic Building of Significance featuring the 2,050-seat Kendall Kidd Performance Hall, and the smaller 200-seat Philanthropy Theatre. It hosts Broadway productions, musical concerts, individual performers and the annual Plaza Classic Film Festival.

The Richard Caples Building is a historic seven-story building in El Paso, Texas. It was built as a five-story for Richard Caples in 1910, and it was "the first reinforced concrete structure erected in El Paso." The fifth floor was leased to the Y.M.C.A. In 1915, the building was purchased by J.G. McGrady, who leased the basement and the first floor to F. W. Woolworth Company. Two years later, he built two more storys; they were designed by Trost & Trost. The building has been listed on the National Register of Historic Places since September 24, 1980.

The Abdou Building is a historic seven-story building in El Paso, Texas. It was built for the Rio Grande Valley Bank in 1910, and designed by Trost & Trost. In 1925, it was renamed the Abdou Building after its new owner, Sam Abdou, who purchased it for $150,000. The same year, the American Trust and Saving Bank leased the building; one of its directors, Charles Klink was Abdou's stepson. By 1930, the El Paso Bank and Leavell & Sherman both had offices in the building. It has been listed on the National Register of Historic Places since September 24, 1980.

J. J. Newberry Company is a historic five-story building in El Paso, Texas. It was built by the J. Calisher Realty Company in 1911, and it was known as Calisher's. The Calisher company was a store first opened in El Paso in 1881. Early tenants included the YMCA (on the two top floors) and the Border National Bank. It was later renamed for the J.J. Newberry, a five and dime store chain. The building was designed in the Chicago School architectural style by Trost & Trost. It has been listed on the National Register of Historic Places since September 24, 1980.

The Singer Sewing Company Building is a historic building in El Paso, Texas. It was built in 1928 for the Singer Corporation on land formerly owned by Ervin H. Schwartz, Manuel Schwartz and I. Weiss. It was designed in the Spanish Colonial Revival architectural style by Trost & Trost. It has been listed on the National Register of Historic Places since September 24, 1980.

The Roberts-Banner Building is a historic building in El Paso, Texas. Old adobe houses were demolished to make room for the construction of this five-story building in 1910. It was built with concrete, and designed by Trost & Trost. It has been listed on the National Register of Historic Places since September 24, 1980.

The O. T. Bassett Tower is an Art Deco skyscraper located at 303 Texas Avenue in Downtown El Paso, Texas. It was built by Charles N. Bassett, who named it in honor of his father. The tower was designed by Trost & Trost and completed in 1930, making it one of Henry Trost's last commissions. It was briefly the tallest building in the city but was surpassed later the same year by the Hilton Hotel. The Bassett Tower is 217 feet (66 m) tall and has 15 stories, with setbacks at the tenth and thirteenth floors. It is faced with tan brick veneer and adorned with stone and terra cotta decorative elements, including a sculpted face over the main entrance which is believed to be that of Trost himself. The building was listed in the National Register of Historic Places in 1980.

The Martin Building is a historic seven-story building in El Paso, Texas. It is 25.91 metre high. Built in 1916–1917, it was initially an office building for M.D. Roberts and William Martin Banner. From 1950 to 1979, it belonged to the El Paso Electric Company. It was acquired by Lane Gaddy in 2011 and converted into residential apartments in 2016.The building was designed in the Chicago School architectural style by Brauhton and Leibert. It has been listed on the National Register of Historic Places since August 8, 1984.The city of El Paso added a historical plaque in 2018.

The State National Bank is a historic building in El Paso, Texas. It was built in 1921 for the State National Bank, El Paso's oldest bank founded four decades earlier. It was built on the site of a former building for the same bank completed in 1881, which was El Paso's "first real building." The 1921 building was designed by Trost & Trost, and its construction cost $165,000. With "the latest technological developments", it cost $250,000. The interior was a single lofty room with roof supported by steel girders that eliminated need for interior columns. The bank moved into the building in January 1922. It was expanded by renting adjacent property 10 years later, which was annexed permanently in 1942. It was further expanded to the south in 1948.The building has been listed on the National Register of Historic Places since September 24, 1980.

The Wells Fargo Plaza is a high-rise skyscraper located on 221 North Kansas Street in Downtown El Paso, Texas, United States. It opened as the State National Bank Plaza on October 25, 1971. It is 302 feet (92 m) tall. It is designed in the International Style. The tower sits on a base three stories high, then rises to its full height. The repetitive angular windows add another International Style element of blocky appearance and expression of structure. The tower is lit at night with up to 13 horizontal white lines (originally 17). A U.S. Flag design is used during patriotic holidays, and a Christmas tree design is used during the holiday season. The letters "UTEP" are used during the football and basketball season for the University of Texas at El Paso, and, less frequently, the Texas Tech University logo is also used.

The Hotel Cortez is a historic eleven-story building in El Paso, Texas. It was built as Hotel Orndorff for Alzina Orndorff DeGroff in 1926, and it was designed by Trost & Trost. It cost $1.4 million to build. Mrs. DeGroff unexpectedly died one month before its completion. It was purchased by the Hussman Hotel Company in 1933, and they renamed it as Hotel Cortez in 1935. It closed down in 1970, and it was remodelled into offices in 1984. It has been listed on the National Register of Historic Places since September 24, 1980. President John F. Kennedy stayed overnight on June 5, 1963. In 1970 it began hosting the El Paso Job Corps Center, by lease with the Department of Labor.

The U.S. Post Office is a historic building in El Paso, Texas. It was built in 1916, and designed in the Beaux Arts architectural style. The lobby is "topped by a massive, paneled, saucer-shaped dome", and the rest of the lobby includes "polished marble" and "huge, rounded, ornamental grills of bronze." The building has been listed on the National Register of Historic Places since July 19, 1984.