Before the American Civil War erupted, a complex and largely unknown economic reality existed in the United States.

Philip Zimbardo is a name etched into the annals of 20th-century psychology, best known for a six-day prison simulation that shattered societal assumptions about human character.

In the eighteenth century, Roman Catholics formed a clandestine society centered around small dogs.

A single tree blossoms into a patchwork of pink, crimson, and white flowers every spring.

In October 1766, the streets of Nottingham, England, transformed into a battlefield where the weapons of choice were massive wheels of cheese.

In 1946, the United States military dispatched 70 ships and over 4,700 personnel to the most unforgiving environment on Earth, carrying both official objectives and highly classified orders.

In the spring of 1605, the highest-ranking officials of the Catholic Church engaged in a physical brawl that left one cardinal with broken bones.

On August 21, 1986, the calm waters of a crater lake in northwestern Cameroon unexpectedly unleashed an invisible, suffocating cloud.

In the spring of 1458, the streets of London filled with thousands of heavily armed men ready for war.

In 1324, a procession of unprecedented size arrived near Cairo, carrying quantities of gold that would soon alter the local economy.