Explore the hidden gems of Arcos de Valdevez and Viana do Castelo, Portugal, with our crowdsourced list of urbex spots. From abandoned factories to hidden waterfalls, these off-the-beaten-path locations offer a unique perspective on the region's industrial and natural heritage. Whether you're a seasoned urban explorer or just looking for a new adventure, our curated list is the perfect starting point for your next expedition.
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