This slow-moving reptile carries its hard shell on its back and can pull its head inside for protection.
What is a turtle?
This ancient, massive stone wall stretches for thousands of miles across northern China.
What is the Great Wall of China?
This popular yellow fruit is the most eaten fruit in the world and technically counts as a giant berry.
What is a banana?
This strong organ pumps blood throughout your entire body and beats roughly 100,000 times a day.
What is the heart?
This famous American swimmer holds the all-time record for the most Olympic gold medals, winning 23 of them.
Who is Michael Phelps?
This is the only bird that is capable of flying backward and upside down.
What is a hummingbird?
This famous tower in Italy is known worldwide for its accidental four-degree tilt to one side.
What is the Leaning Tower of Pisa?
This popular green Mexican dip is made primarily by mashing raw avocados with lime juice, salt, and herbs.
What is guacamole?
Found in your thigh, this is officially the longest, heaviest, and strongest bone in the human skeleton.
What is the femur?
This famous multi-sport event featuring a race, a swim, and a bicycle ride is named after the Greek word for "three."
What is a triathlon?
This semi-aquatic Australian mammal is one of the very few mammals that lays eggs instead of giving live birth.
What is a platypus?
This iconic performing arts center in Australia features a roof structure designed to look like the sails of a ship.
What is the Sydney Opera House?
This sweet, carbonated beverage was originally invented in 1886 by a pharmacist named John Pemberton.
What is Coca-Cola?
These two bean-shaped organs constantly filter waste products out of your bloodstream and turn them into urine.
What are the kidneys?
The very first ancient Olympic Games were held in this country thousands of years ago to honor the god Zeus.
What is Greece?
This deep-ocean mollusk has the largest eyes of any living creature, measuring up to the size of a dinner plate.
What is the giant squid?
This ancient Incan citadel is built high in the Andes Mountains of Peru and is often called the "Lost City."
What is Machu Picchu?
This specific single-celled fungus is mixed into bread dough to make it rise by converting sugar into carbon dioxide.
What is yeast?
This large, vital organ can completely regenerate itself even if up to 75% of it is removed or damaged.
What is the liver?
This American gymnast made history by becoming the most decorated U.S. gymnast of all time.
Who is Simone Biles?
Boasting an incredibly powerful bite, this massive African mammal secretes a red fluid that acts as a natural sunscreen and antibiotic.
What is a hippopotamus?
This prehistoric monument in Wiltshire, England, consists of a ring of standing stones built thousands of years ago.
What is Stonehenge?
Chocolate is made from the harvested and processed beans of this tropical tree native to deep tropical regions.
What is the cacao tree?
This is the chemical substance in red blood cells that binds to oxygen and carries it from the lungs to the body.
What is hemoglobin?
This city hosted the 1996 Summer Olympics, which were famously known as the Centennial Olympic Games.
What is Atlanta?