"Find out how much you can eat on one tank of fuel," they said. "It will be fun," they said. If the car you're given to do this is an A7 TDI, it has a huge fuel tank and gets better miles per gallon than a Japanese econosedan you should prepare for a world of hurt.
If the city you're trying to do this in is Austin and you have out-of-towners in tow ready to eat all of the Texan things, you're extra screwed. We're best known for barbecue, Tex-Mex and heavy, cheesy, fried and/or buttery things. The Texas State Fair in Dallas gets more attention for who can fry the most ludicrous, terrible, this-will-give-you-the-'beetus thing than it does for any of the actual fair attractions.