This muscular organ pumps blood throughout the human body.
The Heart
This 1803 land deal with France doubled the physical size of the United States.
The Louisiana Purchase
This instrument has 88 keys and belongs to both the string and percussion families.
Piano
This African river is widely considered the longest river system on planet Earth
Nile
This Greek god wields a thunderbolt and rules from Mount Olympus.
Zeus
This molecule holds the genetic code and instructions for all living organisms.
DNA
This document acts as the supreme law of the United States and was written in 1787.
The United States Constitution
This iconic four-piece rock band from Liverpool took America by storm in 1964.
Beatles
This massive mountain range in Asia contains the highest peaks in the world
The Himalayas
In Norse myth, this heavy-hammer-wielding god protects mankind and rides a chariot pulled by goats.
Thor
These cells in your blood are responsible for carrying oxygen throughout your body.
Red Blood Cells
This major protest in 1773 involved colonists dumping crates of tea into a harbor to protest British taxes.
The Boston Tea Party
This legendary pop star was known globally as the "King of Pop."
Michael Jackson
This European river flows through four capital cities: Vienna, Bratislava, Budapest, and Belgrade.
Danube
This classic hero of British folklore stole from the rich to give to the poor in Sherwood Forest.
Robinhood
This organ is capable of completely regenerating itself from just a fraction of its original size.
The Liver
This native woman served as a crucial guide and interpreter for the Lewis and Clark Expedition.
Sacagawea
This German composer famously continued writing brilliant symphonies even after losing his hearing
Ludwig van Beethoven
This South American mountain chain is the longest continental mountain range in the world.
The Andes
In Roman lore, these twin brothers were suckled by a she-wolf before founding a famous city.
Romulus and Remus
This part of the brain is primary for maintaining balance and coordinating voluntary movement.
Cerebellum
This early American colony mysteriously vanished from an island off the coast of North Carolina in the 1580s.
Roanoke
This Queen of Soul was known for hits like "Respect" and "Natural Woman."
Aretha Franklin
This massive island nation off the southeast coast of Africa is famous for its unique wildlife, like lemurs.
Madagascar
This ancient Mesopotamian ruler went on a quest for immortality in the world's oldest epic poem.
Gilgamesh