As the balcony of Europe, perched on the edge of the continent overlooking the vast Atlantic Ocean, Portugal has no shortage of sparkling coastline—not to mention mountains, lakes, and caves all hiding beautiful natural wonders. It also has a long and fascinating history that can be explored at medieval ossuaries, pagan monuments, maritime cemeteries, and neo-Gothic architecture. If you’ve got your eye on this slice of the Iberian Peninsula, here are some places in Portugal that Atlas Obscura users most want to visit.