Architecture of the United States New York City's Woolworth Building designed by architect Cass Gilbert, 1913. Raising previous technological advances to new heights, 793 ft (233 m), it was the world's tallest building until 1930. Frank Woolworth was fond of gothic cathedrals. Cass Gilbert constructed the office building as a cathedral of commerce and incorporated many Gothic revival decorative elements. The main entrance and lobby contain numerous allegories of thrift, including an acorn growing into an oak tree and a man losing his shirt. The popularity of the new Woolworth Building inspired many Gothic revival imitations among skyscrapers and remained a popular design theme until
Cass County Courthouse (Iowa) wood tones and Art Deco ornamentation. The exterior of the adjoining correctional facility is composed of similar colored brick as the courthouse, and it has no windows. The building is located on the courthouse square to the south of the central business district, where the previous courthouse was also located. There are three other elements that are contributing properties on the courthouse's nomination to the National Register of Historic Places. The square itself is a contributing site, what is believed to be the original flagpole is a contributing object, and the two-bay garage is another contributing building Cass County Courthouse