"Oh, yeah, I've been there, it's not worth going."
This can sometimes be the response of a friend trying to seem more worldly than they are, but it can actually be very useful travel advice.
A recent reddit thread asked world travellers for the places they saw as the most overrated tourist destinations in the world.
London featured on the list - but only in relation to how long the drive is to Stonehenge.
Public notice to (mostly American) tourists: If you are booking a holiday to Stonehenge, don't stay in London, it's the other side of the country.
For this reason, we haven't featured Stonehenge among the picks.
Vote for the most overrated in the ranked list below, and obviously take the tourist's advice with a pinch of salt: