Lost branch of the Nile; threats to Hagia Sophia; Zanzibar Stone Town; Rhode Island whaling ship in Argentina
Lost branch of the Nile may solve the puzzle of how stones were brought to the Pyramids
Archaeologists ask UNESCO to protect the Hagia Sophia after years of damage
New dig in Zanzibar’s Stone Town finds evidence of early Swahili occupation
Tree-ring studies may show an Argentinian shipwreck is long-lost whaler from Rhode Island