Thief stole ancient stones used to build Stonehenge to use as garden ornament
The thief swiped the bluestone last week from the Preseli Hills in Pembrokeshire, Wales, where some of the stone used for the Wiltshire monument was quarried and transported
Oldest known city view of Venice discovered (photo)
The image is part of a manuscript containing the travel account of Niccolò da Poggibonsi, an Italian pilgrim who traveled to Jerusalem in 1346-1350
The elusive metal library of the Tayos caves (photos)
The Cuevas de los Tayos is one of the longest cave systems in South America and remained unexplored for a half-century after the first reports of its existence in 1860
