Dating back to the 7th century BC, it stretches over 13,000 miles across the Chinese landscape, snaking through rugged ...

Sitting at 11,152 feet up in the Andes Mountains is Cusco, the former capital of the Inca empire. The city is one of the ...

Archaeologists discovered ancient Roman inscriptions and a 1,900-year-old coin wedged between rock formations while exploring ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...