311 South Wacker Drive

311 South Wacker Drive in Chicago is a 65-story skyscraper completed in 1990. At 961 feet (293 m) tall, it is the sixth tallest building in Chicago and the thirteenth tallest in the United States. It is said to be the tallest building in the world known only by its street address.

The lobby is an impressive two-level (one below ground) 85-foot high glass ceilinged "winter garden" with palm trees and a fountain.

It is the most visible Chicago skyscraper at night, as its "crown" is brightly illuminated.

See also:

• 50 Tallest buildings in the U.S.
• World's tallest structures
• List of Skyscrapers