When these two building were built in 1964, they were the tallest residential structures in the entire world. The two buildings were meant to help reverse or stem the white flight from urban Chicago by creating an all-encompassing living experience in a single complex. The place included a theater, gym, bowling alleys, many stores and restaurants, an ice rink, and a swimming pool. It's also interesting to note that the design of incorporating the garage at the base level of the building was a first for these buildings and subsequently adopted in urban planning and architecture. Click on the image for some great details.