The potentialities of the Sintra district are not confined to the wild
enchantments of the Serra, sometimes wreathed in mist, and to the artistic
heritage of the Old Town, described by Byron as "the most pleasing in Europe",
but also include valuable archaeological remains, particularly from the Roman
period, ancient manor houses, churches of personalised artistic value and
characteristic villages.
Sintra and the surroundings were classified World Heritage by UNESCO in 1995.