The walk begins where heat from an oven mingles with the city's restless wind—outside Lou Malnati’s at the Wrigley Building. Your guide hands you a map and a quick smile; behind them Michigan Avenue stretches like an appetite, lined with glass and limestone. For the next three hours you’ll move at a comfortable urban cadence: stop, taste, listen, and keep moving. The Bean waits in Millennium Park with a stainless-steel grin; the Riverwalk beckons with reflections of towers; and between those icons, Chicago’s food history keeps popping up—deep-dish crusts, tomato-laden slices, and a hot dog built against compromise.