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Wikipedia says:
For the closed-cell PVC foamboard, see Sintra (Material) Sintra (pron. 'sĩtɾɐ) is both a town and a municipality in Portugal, located in the district of Lisbon. The town is a UNESCO World Heritage Site on account of its 19th century Romantic architecture.
Sintra has become a major tourist attraction, with many day-trippers visiting from nearby Lisbon. Attractions include the fabulous Pena Palace (19th c.) and the Castelo dos Mouros (reconstructed 19th c.) with a breath-taking view of the Sintra-Cascais Natural Park, and the summer residence of the kings of Portugal Palácio Nacional de Sintra (largely 15th/16th c.), in the town itself. The Sintra Mountain Range, one of the largest parks in the Lisbon area, (Serra de Sintra'') is also a major tourist attraction. (...) more....
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