Detour follows the Knights Templar on a crusade across Portugal from Porto to Lisbon.

What do a Formula 1 circuit designer, a quantum physicist and a roller coaster designer all have in common? They all picked this Portuguese route as the best in the world.

If you’re a Detourist and not just a tourist then avoid the crowded coast and head for the hills of Madeira reckons Simon Heptinstall.

The Azore boasts roads so challenging that they form the basis of the European Rally Championship