This 15,000 square foot residence at 25 E. Banks St. on Chicago's Gold Coast is being offered for $12 million. Built in the 19th century and redesigned by architect Marvin Herman, the home has 26 rooms spread over four stories. The home includes 900 square feet of rooftop terrace. Gawk.
• Asking: $12,000,000
• Bedrooms: 8
• Baths: 9 full and 2 half
• Square Footage: 15,000