The rivers of the world are fast becoming hotspots for travelers. European river cruising has boomed in the last decade, and cruise lines are expanding to more exotic and interesting parts of the globe every year. So whether you'd like to sail gently along as medieval castles float by your balcony or you prefer the hustle and bustle of a trip through an Asian metropolis, we can help you find your perfect river cruise. Take a look at where you can go by riverboat.