Modern Formula One is a global super-sport with races on five continents and a safety record which could put any rival to shame.
But some fans yearn for a return to the days gone by, when the best drivers in the world drove on circuits a million miles away from today's soulless, benign "Tilkedromes."
Tracks like the Osterreichring, Zandvoort, Watkins Glen and Clermont-Ferrand.
Even recent years have had some quality circuits.
From the best of the modern era to the beasts of the 1960s, here are 10 of the greatest circuits the sport has ever seen, but which no longer welcome F1 to their doors.