TRAVEL EUROPE
'(<a href="http://www.j-archive.com/media/2007-05-15_FJ.jpg" target="_blank">Sarah of the Clue Crew gives the clue while aboard the Orient Express.</a>) Today, the Orient Express' Paris-Istanbul run crosses 5 countries between France and Turkey; these are 3 of them'
(3 of) Switzerland, Austria, Hungary, Romania & Bulgaria