During the French and Indian War, George Washington and his men mistook a group of fellow troops as French soldiers and opened fire, resulting in the deaths of more than a dozen people.

The mosaic was stolen by a Nazi captain during World War II and dates to between the late first century B.C.E. and the first century C.E.

John Wayne Gacy slaughtered at least 33 young men and boys in the Chicago area, but it was his murder of 15-year-old Robert Piest that finally led to his capture in December 1978.

Found in the ancient Canaanite city of Gath, located in Tell es-Sâfi, Israel, three of the donkeys were found with their legs bound and the fourth was decapitated with its head placed on its abdomen.

Today, New Zealand is all that remains of the lost continent of Zealandia — but 30 million years ago, it was a verdant landscape filled with volcanoes and teeming with life.

From her love affairs with Julius Caesar and Mark Antony to her powerful army to her savviness as a politician, go inside the real story of Egyptian queen Cleopatra VII.

The Guyanese company Wanderlust Adventures GY is offering the Jonestown Memorial Tour, a $750 experience that allows visitors to see a replica of the original welcome sign, the memorial plaque that was installed in 2009, and the few small ruins of vehicles and machinery that were left behind.

Archaeologists digging at the Khalkajar archaeological site in Tajikistan just uncovered an ancient water jug labeled with the name of its owner: "This water jug belongs to the woman Sagkina."

Joseph and Summer McStay and their two young sons mysteriously disappeared in 2010, but when their bodies turned up in the Mojave Desert three years later, investigators discovered they'd been bludgeoned to death the very day they vanished.

From 1969 to 1977, as many as 120 men, women, and children lived in treehouses on the North Shore of Kauai in a free love community known as Taylor Camp — but locals complained of the wild parties, drug use, and clothing-optional lifestyle that flourished at the commune.