While the Lusitania was known as the world’s largest passenger ship, the luxury cruise ship was actually hiding some dark secrets that played right into her tragic end.

The "Missing Link" is the name given to a missing piece of anthropological history, between homo erectus and homo sapiens. In 2010, archaeologists uncovered bone fragments that may fill the gap in our ancestral history.

The Evenki are an Indigenous people native to Russia's far-flung region of Sakha. Their ancestors inhabited the vast tundra since the 5th century, with populations also in northern China. See how the Evenki live and survive, despite the pressure of outsiders and the intense northern climate.

Discover Xiong'an, China: The City of the Future. From robots and sensors to a points-based population management system, find out what makes this up-and-coming smart city appealing to Chinese citizens, and what other countries may think about it.

In 1982, an outsider encroached on the small primitive Toto tribe’s land and unknowingly introduced a disease that wiped out half the tribe within one week.

Born from stone and steel on Fifth Avenue, the Plaza Hotel became one of New York's legends. Its halls have mirrored cultural shifts and welcomed countless unforgettable faces through over a century of change.

A row of stones held secrets for millennia. Known as King Arthur’s Hall, it was long thought to be medieval. But what if that timeline was off by thousands of years?

The Earth feels solid and unmoving beneath our feet. But in quiet, measurable ways, we've been disturbing its balance, not through earthquakes or bombs but by draining lakes and moving massive amounts of water. What lies below has started shifting because of us.

Historians were speechless when they saw the intricate engravings on the Middleham Jewel, but they were even more shocked when they saw the rare holy relics inside the pendant.