Renaissance Center

The Renaissance Center, commonly known as the RenCen, is a landmark mixed-use building complex in downtown Detroit, Michigan, United States. Located on the Detroit International Riverfront, the complex consists of seven connected towers, including a 74-story Marriott hotel, and the tallest building in Michigan at its center. Four shorter office skyscrapers surround the hotel, with two shorter, auxiliary office towers to the east. The towers are connected by a large square podium containing extensive public spaces, a conference center, and retail stores. Developed as an urban renewal project in the 1970s, the Renaissance Center was envisioned as a "city-within-a-city," and was meant to anchor a wider redevelopment of the then-declining city of Detroit. The project was developed and funded by a consortium led by the Ford Motor Company, and John Portman served as its principal architect. The five tallest towers were built in the Modern architectural style and completed in stages from 1976 to 1977, with the two shorter towers added later in 1981. At the time of its completion, the Renaissance Center was the largest private development in the history of the United States, and the central tower was the world's tallest hotel. General Motors purchased the complex in 1996 for use as its global headquarters, formerly, and extensively renovated it in the early 2000s, modernizing its Brutalist interior and adding a glass retail atrium and public plaza on the riverfront. The RenCen is a distinctive feature of Detroit's skyline, and is widely considered a landmark and cultural icon of the city. With 5,552,000 square feet (515,800 m2) of floor space, it is one of the largest commercial complexes in the world, though its occupancy has declined significantly since the COVID-19 pandemic. General Motors relocated its headquarters away from the Renaissance Center in early 2026, and it is planned...