“The second map is of Sardinia itself: the main island with its many islets. It is not a floating green mountain with a defining valley that splices along the south by southwest, as a topographical map would show. Instead, this map is as colorful as a neon strip of nightlife you might download on a cell phone for the latest cultural events. In fact, devised as a geoportal and online app by a volunteer organization called Nurnet in 2013, the map pinpoints the thousands of Neolithic and Bronze Age monuments across the islands with the fanfare of an open museum.

As part of Nurnet’s mission to “promote a different image of Sardinia in the world,” the map is nothing less than astounding. If you actually illuminated all of these ancient monuments, from the Neolithic array of Stonehenge-like dolmens and menhir stone formations to the thousands of burial tombs, Bronze Age towers and complexes called nuraghes or nuraghi, the entire island would light up like a prehistoric hotspot. The vastness of the uninterrupted cycles of civilizations and their architectural marvels still standing today would be incomparable with any place in Europe on that first Mediterranean map.

The Sardinians call it the “endless museum.”