For the BEST burger in town we suggest you visit Au Cheval in the West Loop. If you want to avoid the long wait common at Au Cheval, The Vig, Kuma's Corner, Blue Door Kitchen, and DryHop Brewers all have burgers that are delicious too.
A 1.25-mile stretch located on the south bank of the Chicago River, right in the heart of downtown Chicago with bars, restaurants, and some of the best views in the city. We highly recommend the Chicago Architecture Boat tour: https://www.wendellaboats.com/Boat-Tours/chicagos-original-architecture-tour/ or the kayaking tour if you are feeling adventurous!
etta is one of our favorite brunch spots in the city, there are two locations - Bucktown and River North. Other favorite brunch spots include the Bongo Room, Summer House Santa Monica, Happy Camper/Homeslice/Paradise Park (all same concept and owners), Virtue, Cira, and Bar Siena