History
Located in Rome, this massive stone amphitheater completed in 70 AD was used for gladiatorial contests and public spectacles during the Roman Empire.
What is the Colosseum?
Straddling the border between Nepal and China in the Himalayas, this peak is the highest mountain on Earth above sea level.
What is Mount Everest?
Represented by the chemical formula H₂O, this compound covers over 70% of Earth's surface and is essential for all known life.
What is water?
Winning a total of 28 Olympic medals (including 23 gold), this American swimmer is the most decorated Olympian of all time.
Who is Michael Phelps?
Celebrated globally on December 31st, this holiday marks the final night of the calendar year and features midnight countdowns, champagne toasts, and fireworks.
What is New Year's Eve?
This French military commander and emperor conquered much of continental Europe in the early 19th century before his ultimate defeat at The Battle of Waterloo in 1815.
Who is Napoleon Bonaparte?
Visible from space off the northeastern coast of Queensland, Australia, this is the world's largest coral reef system.
What is the Great Barrier Reef?
Making up roughly 78% of Earth's atmosphere, this odorless, colorless gas is the most abundant element in our air.
What is Nitrogen?
Played every October and nicknamed the "Fall Classic," this annual championship series pits the winner of the American League against the winner of the National League.
What is the World Series?
Celebrated across Mexico on November 1st and 2nd, this holiday honors deceased loved ones with colorful altars called ofrendas, marigolds, and sugar skulls.
What is Día de los Muertos (or Day of the Dead)?
This founding father of the People's Republic of China led the Chinese Communist Party from 1935 until his death in 1976 and launched major initiatives such as the Great Leap Forward and the Cultural Revolution.
Who is Mao Zedong?
Situated in northern Italy, this historic city built across 118 small islands relies on canals and gondolas instead of cars for transportation.
What is Venice?
Named because its gravitational pull is so strong that even light cannot escape, this astronomical phenomenon is formed when massive stars collapse.
What is a black hole?
This soccer player won the Golden Boot in the 2026 World Cup.
Who is Kylian Mbappe?
Held annually in Munich, Germany, this world-famous 16-to-18-day folk festival originally began in 1810 to celebrate a royal wedding.
What is Oktoberfest?
Led by Vladimir Lenin in 1917, this political uprising overthrew the Russian Provisional Government and led to the creation of the Soviet Union.
What is the Bolshevik Revolution (or October or Russian Revolution)?
Flowing through ten countries and four capital cities (Vienna, Bratislava, Budapest, and Belgrade), this is the second longest river in Europe.
What is the Danube River?
Located roughly 2.5 million light-years away, this spiral galaxy is the closest major neighbor to our own Milky Way and is on a collision course to merge with it in about 4 billion years.
What is the Andromeda Galaxy?
This tennis tournament is the only professional Grand Slam tennis event played on clay.
Hosted every spring in Rio de Janeiro, this world-famous pre-Lenten celebration features elaborate samba school parades, extravagant costumes, and street parties.
What is Carnival?
During his 1324 pilgrimage to Mecca, this ruler of the Mali Empire distributed so much gold while passing through Cairo that he single-handedly inflated the regional economy and depressed the metal's value for over a decade.
Who is Mansa Musa?
Seen for the first time by Captain James Cook in 1773 and explored by Roald Amundsen in 1911, this landmass is known for being the world's largest desert and has been claimed by 7 countries.
What is Antarctica?
Encircling the basin of the Pacific Ocean, this horseshoe-shaped region is home to over 75% of the world's active volcanoes and 90% of its earthquakes.
What is the Ring of Fire?
The only eight-division world champion in boxing history, this Filipino fighting legend was nicknamed "PacMan."
Who is Manny Pacquiao?
Celebrated on November 5th across Great Britain, this tradition commemorates the failure of the 1605 Gunpowder Plot to blow up Parliament, marked by bonfires and fireworks.
What is Guy Fawkes Day (or Bonfire Night)?