The Roman warriors were apparently killed during a fierce battle in the first century C.E., probably with Germanic tribes.

Laura O'Malley of Queens, New York, was 13 years old when she ran away from her family home in 1975.

This grisly burial pit uncovered in southern Mongolia holds the remains of roughly two dozen warriors who were violently executed during the Han-Xiongnu Wars in the second century B.C.E.

It's estimated to date from the late 12th century or early 13th century, and it likely belonged to the bishop Hugh of Northwold.

Researchers digging inside Farley Wood in Derbyshire have uncovered the remains of a ceremonial stone circle measuring 80 feet across and dating back 3,700 years.

Serial killer Jeffrey Dahmer murdered 17 victims in and around Milwaukee, Wisconsin between 1978 and 1991, then collected and cannibalized their remains.

Archaeologists at the Langmannersdorf an der Perschling site in Lower Austria found bones belonging to five mammoths as well as evidence of how prehistoric people processed their remains.

The Roman aqueduct was forgotten for centuries despite being just two-and-a-half feet beneath the ground.

The study theorizes that Fiji's iguanas made their way across 5,000 miles of ocean from North America atop "rafts" made from vegetation or uprooted trees.

The tunnels beneath Salisbury Station in Wiltshire, England, were closed off decades ago and forgotten until recent renovation work led to their rediscovery.