These cities are usually easily distinguishable from their iconic skylines.
However, after being shrouded in a thick carpet of fog, they are a little more difficult to make out.
From San Francisco to Shanghai, these incredible images show what happens when freak weather rolls in and swallows skyscrapers whole, leaving the tips meekly poking out from an ocean of mist.
This December, fog descended on the UK capital with the Walkie Talkie and Gherkin among the skyscrapers shrouded in thick mist.
It made for a spectacular, if eerie, sight.
Here MailOnline Travel rounds up a selection of some of the most extreme foggy cityscapes from around the world.