Danube Express from Istanbul and Budapest

With stunning architecture in both Budapest and Istanbul (you can start your journey in either) and miles of legendary Transylvania countryside in between, the four day Danube Express serves as your base for sightseeing during stops in medieval Sighisoara (said to be the birthplace of Dracula) and Bran Castle (aka Draculas Castle). Fun Fact This hotel on wheels is the only international private train in Europe with en suite compartments and air conditioning.