Visiting the Grutas de Mira de Aire: Portugal’s Largest Caves
If you’ve never heard of the Grutas de Mira de Aire, you’re not alone. Tucked into the limestone hills of central Portugal, they don’t always make it onto the typical tourist itinerary. But they absolutely should, and by the time you’ve finished reading, we think you’ll agree. We included the Grutas de Mira de Aire …
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