diagram of the 20 tallest completed buildings in Ohio". A b "Diagram of Columbus skyscrapers, 1900". 9 10 Columbus saw very little high-rise construction between 19, with the completion of Fifth Third Center in 1998 and only four other skyscrapers ranking in city's 20 tallest buildings being constructed, the tallest of which is the 314-foot. "High-rise Buildings of Cincinnati". A b "Rhodes State Office Tower". 1 7, although no Columbus skyscraper ranks among the tallest in the United States, the city is the site of five skyscrapers at least 492 feet (150 m) high. During that time, most of the city's tallest skyscrapers were built, including the Rhodes State Office Tower and the.