Quinta da Regaleira Sintra, Portugal Quinta da Regaleira is an estate located near the historic center of Sintra, Portugal. It is classified as a World Heritage Site by UNESCO within the "Cultural Landscape of Sintra".
Monsanto 'The Most Portuguese Town In Portugal' Is A European Must-See - via Huffington Post 11.11.2014 | The ancient village, which just so happens to be close to the country's highest mountain, Serra da Estrela, is aptly titled the "Most Portuguese Town in Portugal", most likely thanks to its unbelievably unique construction, rich history and authentic food. You see, in Monsanto, rocks are utilized as homes, shops, walls, staircases and even rooftops. Photo: Monsanto, Portugal
Quinta da Regaleira, Sintra - Portugal "An underground tunnel with a spiral staircase, supported by carved columns, down to the bottom of the well through nine landings. The nine hole round landings, separated by fifteen steps, evoke references to Dante's Divine Comedy, and may represent the nine circles of hell, paradise, or purgatory."