World's 10 best city tram and street car rides SHARE Photo: Shutterstock ST CHARLES STREETCAR, NEW ORLEANS, USA Sashaying along St Charles Avenue through a tunnel of southern live oaks, this historic streetcar takes in antebellum mansions, two universities, lovely Audubon Park and some of the USA's prettiest civic architecture. Vintage streetcars built almost a century ago still operate on this 21-kilometre line, the world's longest in continual operation. From the French Quarter, cross Canal Street at Bourbon which becomes Carondolet Street, hop aboard and enjoy 45 minutes of eye candy. ...