One Illinois Center at 111 East Wacker in Chicago

One Illinois Center at 111 East Wacker Drive in Chicago’s Loop shows the modernist office tower’s bronze-anodized aluminum exterior and tinted-glass curtain wall. Designed by Ludwig Mies van der Rohe for Metropolitan Structures and completed under Joseph Fujikawa of The Office of Mies van der Rohe, the building is also known as 111 East Wacker and was the first tower constructed in the Illinois Center complex – © 2026 David Oppenheimer – Performance Impressions photography archives https://performanceimpressions.com