The marimba originated in Africa and was brought to Latin America during the slave trade.

The Age of Exploration connected continents through sea travel.

Hawaii is moving toward Japan at about 3 inches per year.

Some butterflies migrate across continents.

The Aztec capital Tenochtitlan had a population of around 200,000 in the early 16th century, larger than most European cities.

Mount Olympus on Mars stands about 13 miles high — nearly three times the height of Mount Everest.

The Hundred Years' War between England and France actually lasted 116 years, from 1337 to 1453.

Russia is so large it spans 11 time zones.

The deepest point in the ocean is deeper than Mount Everest is tall.