The height of folly!

With their potent blend of wild looks and mystery, Britain’s ancient sites have an enduring magnetism–and there are far more of them than you might imagine, says Tom Howells

■ Distance: 7½ miles/12.1km ■ Time: 3 hours ■ Grade: Moderate

Secret passages, sheer walls and the maddest descent of a mountain in literary history: SCA FELL might be England’s Number 2 in height – but in kudos, it might just beat all of them.

Wearing its heritage on its sleeve, this medieval castle has lived many lives, including a fortified castle, a Jacobean mansion and a comfortable Victorian family home

You’ll never forget your first sight of the bridge 100 feet above the Atlantic Ocean. It runs from the County Antrim clifftop to the rocky island of Carrick-a-Rede. Erected in 1775, the bridge enabled

Flooded in 1928 ( above ) when it ...