A trip to the US which was for business in Chicago.
UNESCO World Heritage Sites visited: none (see all UNESCO sites here)
Day 1 through 5 – Business
Day 6 through 8 – Sightseeing & Departure
I did visit Chicago before (2011) but this year travelled with a colleague who didn’t see it yet. So we did some city sightseeing, and airshow and to six flags amusement part just out of Chicago.