Sometimes it's not about the destination, but the journey.
While that might feel hard to believe if you regularly face an unpleasant and sweaty commute on an underground network, some cities have designed stations to raise their passengers' moods.
Join MailOnline Travel as we delve deep below the surface to look at some of the world's most spectacular underground networks.
And some of these stations are so impressive they're considered works of art.
From a steampunk-style station in the City of Lights to a London Underground stop that's inspired by Moscow - enter the subterranean world with these city-centre marvels.
Scroll down to see some of the world's most incredibly designed subway stations...