I will be taking a trip to chicago and would like to request assistance with recommendations for places to see, vegetarian places to eat. Have 15 yr and 10 yr old girls with us. There from 6/8 thro 6/12 or 6/13. Navy Pier is one reco by some. Thoughts on it? Also, any nearby observatory, and such would be appreciated and how to create itinerary would be appreciated! Thanks in advance to the community for guidance!