The Lounge is on the 96Th floor of the John Hancock Building and it boast breath taking views. Great place any day of the week. The admission is free but seating is on a first come first serve basis.
The Signature Lounge at the 96Th
875 N. Michigan Ave.
Chicago, IL 60611
312.787.9596
http://www.signatureroom.com/Signature-Lounge/