Deep below the deceptively beautiful waters of the Atlantic Ocean, guarded by hundreds of dolphins, lie the astonishing remains of a mysterious lost city much like the legendary Atlantis. While mapping the ancient underwater metropolis of Marinth, marine architect Hannah Bryson makes a shocking discovery: She may have finally uncovered the truth about the once-glorious city's mysterious demise. Marinth's sudden disappearance has confounded scientists...

"Egypt, 1936: When anthropology student Charlotte Cross is offered a coveted spot on an archaeological dig in Egypt's Valley of the Kings, she leaps at the opportunity. But after an unbearable tragedy strikes, Charlotte knows her future will never be the same. New York City, 1978: Eighteen-year-old Annie Jenkins is thrilled when she lands an opportunity to work for iconic former Vogue fashion editor Diana Vreeland, who's in the midst of organizing...