Castelo Branco is the capital of what used to be the province of Beira Baixa. Located just twenty kilometers from the Spanish border, most of the historical character of Castelo Branco has been destroyed by numerous marauding armies. Of the monuments that do remain, the most famous is probably the Jardim do Paco Episcopal (Bishop's garden) which was made by the Bishop of Guarda, Joao de Mendonca,…