The Plaza on DeWitt was the first building in the world to implement the tubular construction method later used for the World Trade Center.

[1] Originally called the DeWitt-Chestnut Apartment Building, and designed by Bangladeshi-American engineer Fazlur Rahman Khan while he was working for Skidmore, Owings & Merrill, it was completed in 1966 as a residential apartment building at 260 E. Chestnut Street in the Streeterville neighborhood of Chicago.

The 43-story tower accommodates 407 residences and is the tallest building in Chicago to be clad in travertine marble.

[2] On the ground floor, a French bistro, Le Petit Paris, formerly Zaven's, serves traditional French cuisine.

[3] In 2002, a fire on the 14th floor killed one and injured 11,[4] and on December 10, 2009 another fire, on the 36th floor, also killed one person and injured 12 people.