Look to your left to find a soaring, twenty-three-story beige terracotta tower marked by prominent vertical window columns and capped with a distinctive, sloping dark copper roof. This is 90 West Street, and it holds a story of survival that will absolutely give you chills.
Built between 1905 and 1907, this neo-Gothic masterpiece was designed by Cass Gilbert, a legendary architect who believed a skyscraper should be both a money-maker and a work of art. To create that striking look, he used terracotta, which simply means baked earth, a type of fired clay commonly used in pottery and architecture. He wrapped the building's exterior in these ornate, beige clay tiles and topped it with that heavy sloping top called a mansard roof. But Gilbert did not just care about beauty. Working with structural engineer Gunvald Aus, he insisted on state-of-the-art construction methods for the inside, too. They wrapped the steel support columns in clay pottery tiles four inches thick, and walled the fire stairwells in heavy tiles up to six inches thick.
Nearly a century later, on September 11, 2001, that meticulous fireproofing would be put to the ultimate test.
When the South Tower of the World Trade Center collapsed just three hundred feet to the north, a massive shower of debris rained down on 90 West Street. The impact tore huge gashes into the facade, and raging fires ignited inside the building. The interior light court acted like a giant chimney, drawing the flames up and through the floors. The fires burned fiercely for several days.
But 90 West Street did not fall.
While other modern structures in the area suffered catastrophic collapses, Cass Gilbert's century-old, thick terracotta fireproofing did exactly what it was designed to do. It protected the steel skeleton. Among structural engineers and rescue workers, 90 West Street earned a powerful new nickname. They called it the Miracle Building.
The restoration that followed is a beautiful testament to this city's drive to rebuild. Fixing the intricate Gothic stonework was a mammoth task, especially since the skills needed to craft those details had largely vanished from modern construction. A specialty ceramics company in upstate New York was brought in to hand-fabricate over seven thousand new pieces of terracotta to replace the shattered and melted ornaments.
And as the team pieced the facade back together, they left a quirky, permanent signature on the building. You know those gargoyles and grotesques up there, the carved stone faces that decorate the upper floors? Well, out of the hundreds that had to be completely replaced, the sculptors designed seven of the new stone faces to actually look like the modern building owners, contractors, and project managers who helped save the building.
The survival of 90 West Street is a profound reminder that what we build with care can withstand unimaginable trials. Take a moment to look up at those newly carved faces and restored tiles. When you are ready, we will continue our walk toward the very heart of that historic day. We are heading to the National September 11 Memorial and Museum, just a three-minute walk away.
