The lobby is one of the most lavish and sumptuous in Chicago, with stylized lighting fixtures and marble walls and floors in bold, brightly colored patterns.
The official height was increased to from 886 feet to 1,007 feet when the CTBUH began to include ornamental spires during the Sears-Petronas height controversy.
The lobby extends all the way through the block, connecting AT&T to the USG Building with a full-height atrium in the link between them.
The elevator banks in the lobby are lit by flamboyant bands of neo-deco lighting extending from one wall to the other.
At night the setbacks, finials, and spires are accented by softly colored lights.
This is the tallest building constructed in Chicago during the last quarter of the 20th century.
The building's mass narrows gradually with small setbacks at the 15th, 30th and 45th floors. This form of telescoping evolved into the pagoda-like form of the same architect's Jin Mao Tower in Shanghai.
Designed by Adrian D. Smith, FAIA, RIBA Design Partner at Skidmore Owings & Merrill LLP.
Tishman Speyer acquired this property in an announcement made on December 5, 2004 along with 11 other buildings including the USG Building.
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