Ingalls Building 6 East 4th Street, Cincinnati, OH 45202

The Ingalls Building, located at 6 East 4th Street in Cincinnati, Ohio, is a historic tourist attraction that holds the distinction of being the world's first reinforced concrete skyscraper. Standing at 16 stories tall, this iconic structure was a groundbreaking achievement in high-rise construction and played a pivotal role in popularizing concrete as a building material in the United States.

Named after Melville E. Ingalls, the visionary behind its construction, the Ingalls Building was a testament to innovation and perseverance. Despite initial skepticism from city officials due to the limited height record of concrete buildings at the time, Ingalls successfully obtained a building permit and saw his vision come to life.

Designed to withstand wind loads and other structural challenges, the Ingalls Building was a pioneering example of using reinforced concrete for large, multi-level buildings. Its design as a monolithic unit, with each floor slab providing stability, set the standard for future skyscraper construction.

Today, the Ingalls Building stands as a testament to the ingenuity and foresight of its creators, and continues to be a symbol of Cincinnati's rich architectural history. Visitors can marvel at its impressive facade and learn about its significant impact on the world of high-rise construction.