This boxer's original name was Cassius Clay.
Who is Muhammad Ali?
A European city built on more than 1,000 islands.
What is the city of Venice?
Author of the classic novel "To Kill a Mockingbird."
Who is Harper Lee?
The process by which plants convert sunlight into energy.
What is the process of photosynthesis?
This ancient city was destroyed by a volcanic eruption in 79 AD.
What is Pompeii?
This tennis tournament is held in London's All England Lawn Tennis Club.
What is Wimbledon?
This Asian city-state is both a country and a city.
What is Singapore?
Ballet composer of "Swan Lake" and "The Nutcracker."
Who is Pyotr Ilyich Tchaikovsky?
The scientist who discovered the laws of gravity.
Who is Isaac Newton?
Name of the document, signed in 1215, that limited the British monarch's power.
What is the Magna Carta?
This cyclist won 7 consecutive Tour de France titles (1999-2005.)
Who is Lance Armstrong?
Africa's largest city, located in Egypt.
What is Cairo?
The style of architecture popularized by Frank Lloyd Wright.
What is Organic Architecture?
Scientist who discovered the polio vaccine.
Who is Jonas Salk?
Roman Emperor who first converted to Christianity.
Who is Emperor Constantine?
This golfer won the most PGA Championship titles (5).
Who is Walter Hagen?
World's largest waterfall, by volume, in Zimbabwe.
What is Victoria Falls?
French Impressionist painter of "Dance at La Moulin de la Galette."
Who is Pierre-Auguste Renoir?
Part of the brain that controls movement and coordination.
What is the cerebellum?
Which historic battle marks the end of the American Civil War?
What is the Battle of Appomattox?
What is the most-watched annual sporting event in the world?
What is European football (UEFA Championship League final?)
This island nation is home to the ancient city of Petra.
What is Jordan?
This philosophical movement influenced artists like Salvador Dali.
What is Surrealism?
This type of rock is formed from the fusion of fossilized coral.
What is limestone?
This Chinese dynasty was responsible for the Terra-Cotta Soldiers and starting the construction of the Great Wall (221 to 206 BC.)
What is the Qin dynasty?