This organ is the body's largest and is responsible for protecting against environmental damage and regulating temperature.
What is the skin
This ancient civilization, known for its pyramids and pharaohs, thrived along the Nile River.
What is Ancient Egypt
This U.S. national park, established in 1872, is famous for its geysers, including Old Faithful.
What is Yellowstone National Park?
This British actor is best known for his role as Sherlock Holmes in the Sherlock TV series and also portrayed Doctor Strange in the Marvel Cinematic Universe.
Who is Benedict Cumberbatch
This university's football team, known as the Fighting Irish, has won 11 national championships.
What is the University of Notre Dame
This bone, located in the upper arm, is the longest and strongest bone in the human body.
What is the femur
This civilization, located along the banks of the Huang He River, is credited with being one of the world's oldest continuous civilizations.
What is Ancient China
The Amazon Rainforest, the largest of its kind, spans several countries in South America, with the majority of it located in this country.
What is Brazil
This actor is best known for his role as the "King of Rock and Roll" in the 2005 biographical film Elvis and has also starred in The Great Gatsby.
Who is Austin Butler
This legendary baseball player, nicknamed "The Sultan of Swat," is known for his record-breaking home run totals with the New York Yankees.
Who is Babe Ruth
This organ filters blood and produces urine as a waste product.
What are the kidneys
The first known written law code, the Code of Hammurabi, was created by a king of this ancient civilization.
What is Babylon
This African river, the second longest in the world, is known for its wild landscapes and wildlife, including hippos and crocodiles.
What is the Congo River
This actor earned an Academy Award nomination for his role as the mentally unstable, but brilliant, mathematician John Nash in A Beautiful Mind.
Who is Russell Crowe
This country has won the most FIFA World Cup titles in men’s soccer, with five championships to their name.
What is Brazil
This hormone, produced by the pancreas, helps regulate the body's blood sugar levels.
What is insulin
This ancient civilization, known for its advanced engineering and architecture, built the Machu Picchu site in the Andes Mountains.
What is the Inca civilization
This isolated island, located in the South Pacific Ocean, is known for its volcanic landscapes and unique wildlife, including the flightless kiwi.
What is New Zealand
This legendary actor’s career includes playing the iconic roles of Darth Vader in Star Wars and Mufasa in The Lion King(1994 animated version).
Who is James Earl Jones
This NFL team was the first to win five Super Bowl titles.
Who are the San Francisco 49ers
The "Haversian system" is a term used to describe the microscopic structure found in this part of the body.
What are bones
This ancient civilization, located in modern-day Iraq, is credited with inventing writing and the wheel.
What is Mesopotamia
This largest desert in the world is primarily composed of cold, icy terrain and is located in Antarctica.
What is the Antarctic Desert
This actor earned an Academy Award for his role in The Fighter and has also starred in American Hustle and The Fighter.
Who is Christian Bale
This quarterback won the Heisman Trophy in 1997 and later played for the Detroit Lions in the NFL.
Who is Charles Woodson