Spam is so popular in South Korea that gift sets of the canned meat are given during holidays.

The fastest recorded tennis serve exceeded 150 miles per hour.

Abstract art didn't begin with Picasso — Wassily Kandinsky is generally credited as the first to paint purely abstract works around 1910.

Van Gogh sold only one painting during his lifetime.

The word 'ketchup' likely comes from a Chinese fish sauce called 'ke-chiap'.

Gagaku, Japan's imperial court music, is the world's oldest surviving orchestral tradition, dating to the 7th century.

Chocolate was consumed as a bitter beverage by the Aztecs long before it was made into solid bars.

Social norms influence everyday behavior.

Celtic mythology featured a world beyond death called the Otherworld — not a punishment but a paradise.