We're finally back (again) and crossing our fingers for no more kidney stone attacks! First we're going to Chicago to experience some of the finest architecture in the world - but we'll have to watch out for some not so fine stuff too. Next we're heading back to the Dominican Republic, where we're going to avoid "The Blender" at all costs.

Intro music: "Airplane, Seat Belt Beep, A.wav" by InspectorJ (www.jshaw.co.uk) of Freesound.org