1. Visit Skydeck Chicago Willis Tower — the-skydeck.com
365 DAYS/YEAR October through March from 10am-8pm
10 Things to Do in Chicago on a Sunday in March
Video of elevator ride at Willis Tower.
2. See BLUE MAN GROUP blueman.com/tickets/chicago
SUN.: 11am – 7pm
3. Shedd Aquarium — sheddaquarium.org
March 12 through March 19, 2011
8:30 a.m. – 6:00 p.m
March 20 through March 25, 2011
8:30 a.m. – 8:00 p.m.
March 26 through March 31, 2011
8:30 a.m. – 6:00 p.m.
From the ten things to do on Sunday i would choose to go to International Museum of Surgical Science. Have never been there and the place looks very interesting.