They're mad and bad, unclean and mean - or so the story goes.
Take a look at some of our top travel photos of the week, from stranded holidaymakers in the USA to glow-in-the-dark waves in Hong Kong.
The world's longest Dreamliner flight, from Melbourne to the US, makes for a long day.
From the train that does 430 km/h to the one that travels 5072 metres above sea level, these are the world's most incredible rail trips.
In streets formerly roamed by sex workers and drug dealers, the faded 19th-century buildings now bear weird and wonderful murals.
Catch a cable car across to Chinatown to the birthplace of hippie, the Haight; grab a coat and watch the ethereal nightly fog roll in from a cosy bar; or enjoy the amazing panoramas across the bay, from Alcatraz to the iconic Golden Gate - what's not to love?
Qantas to trial offering a unique new type of inflight entertainment.
A cable car in Courchevel, France, will be transformed into a room for one night.
This fragrant pocket on the Côte d'Azur is only a short sniff from Nice and Cannes.