Lagos: the pax can be very nice or very rude... no in betweens. staying in a hotel u can't leave where the power goes off every half an hour doesn't please me very much.
Dhaka: most smelliest and unhygienic flight i've done. not to mention their passion to smoke in toilets. hotel rooms stink, but great dvd copies!
Casablanca: on a full flight with dozens of kids it feels like going to hell. the place itself ain't that bad, just gotta watch ou a little extra and take nothing with you in the street.
Khartoum: when we landed at KRT, i looked out the window. i saw UN vans, planes, and their troops were sorrounding our A332. that day i was really glad i was doing a turnaround.
Istanbul: flew there as pax and crew. always a tough one, on my pax trip the captain came on the PA asking the pax to calm down or they would be ooffloaded and the delay would be even longer (we were experiencing a 2 hr delay already).