The stele dates to between the first and third centuries C.E. and depicts a man and a woman alongside an inscription in Greek.

Around 620,000 men died during the Civil War — roughly two percent of the United States' population at the time.

After excavating everything from the ruins of a large-scale smelting facility to plentiful iron goods like arrowheads and knives, researchers are convinced that they've finally located the lost city of Marsmanda.

The conch shells, which were collected and modified by prehistoric humans around 4000 B.C.E., are capable of producing sounds akin to a French horn.

Found at the castle of Zorita de los Canes in the Guadalajara province, this knight from the Order of Calatrava is believed to have died defending this hilltop fortress sometime between the 13th and 15th centuries.

These vintage images of American cities in the early 1900s capture everything from the ruins of San Francisco just after the 1906 earthquake to the barely-developed patch of desert that would soon become Las Vegas.

From the New York City plane crash that happened shortly after 9/11 to the Charkhi Dadri mid-air collision in India, these aviation accidents shocked and horrified the world.

"Gum" like this can offer fascinating insights about the person who chewed it — even the color of their hair and eyes.

Discovered just eight inches beneath a working farm in the village of Bjugn, this unprecedented Viking burial has left archaeologists baffled — all the more so because she was surrounded by bird bones.

Though many questions remain about the figurine, researchers suspect that the artifact had ritualistic or spiritual meaning.