Steeped in strange symbology, the breath-taking 'inverted tower', or initiation well, found at the heart of Sintra's Quinta da Regaleira celebrates Portugal's unique historical connection to the mysterious and enigmatic Knights Templar.

Stunning artworks have been uncovered in a new excavation at Pompeii, the ancient Roman city buried in an eruption from Mount Vesuvius in AD79.
Archaeologists say the frescos are among the finest to be found in the ruins of the ancient site. Mythical Greek figures such as Helen of Troy are depicte...

In the near future, the North Pole could truly be relegated to the realm of history. Since scientists started measuring winter sea ice, we’ve lost half a million square miles of it—and for every additional ton of carbon dioxide in the air, about 32 square feet of summer sea ice disappears. Robin

The Great Pyramid was an important religious and mythical centre in prehispanic times. Over a period of a thousand years prior to the Spanish Conquest, consecutive construction phases gradually built up the bulk of the pyramid until it became the largest in Mexico by volume. The Great Pyramid of Cho