Around the world, there are ancient archaeological sites that continue to defy explanation. From lost civilizations to mysterious ruins, these locations hold secrets that have baffled historians and ...

From the pyramids of Egypt to the jungle-choked ruins of Angkor Wat, from the magical desert capital of the Nabateans in ...

Archaeologists on Thursday unveiled a 3,500-year-old city in Peru that likely served as a trading hub linking Pacific coast ...

Trump says U.S. economy is hurt by 'too many' federal holidays. Here's what our readers said. NBC's Eamon Lynch delivers wake-up call to Rickie Fowler over 'good golf' California's largest blaze this ...