Even towering skyscrapers can present a confusing muddle of architectural styles. Sometimes, new construction techniques conflict with deep-seated ideas of how a building ought to look. Styles from by-gone eras are often superimposed on otherwise modern structures.
For example, take a look at this historic photo of the New York World Building, also known as the Pulitzer Building. Completed in 1890, the 309-foot tall skyscraper pioneered new technologies. But the architect, George B. Post, topped his modern new building with a Neoclassical dome.
The World Building housed the now-defunct New York World newspaper. The building was demolished in 1955.