Passport to Everywhere
This river flows through four European capitals, including Budapest and Vienna.
What is the Danube?
This mammal is the only animal capable of true sustained flight.
What is the bat?
This gas makes up about 78% of Earth’s atmosphere.
What is nitrogen?
This spice is made from the dried stigmas of a flower and is among the world’s most expensive.
What is saffron?
This 1215 document limited the power of the English monarch and influenced modern constitutional law.
What is the Magna Carta?
Ulaanbaatar is the capital of this landlocked Asian country.
What is Mongolia?
This animal has three hearts and blue blood.
What is an octopus?
This is the only metal that is liquid at room temperature.
What is mercury?
This Japanese dish traditionally consists of vinegared rice paired with seafood or vegetables.
What is sushi?
This treaty formally ended World War I between Germany and the Allied Powers.
What is the Treaty of Versailles?
This city sits on both sides of the Bosporus Strait, connecting Europe and Asia.
What is Istanbul?
The largest species of shark is this gentle plankton-eater.
What is the whale shark?
This force keeps planets in orbit around the Sun.
What is gravity?
This classic French sauce is made from egg yolks, melted butter, and lemon juice.
What is hollandaise?
This volcano famously buried the Roman city of Pompeii in 79 CE.
What is Mount Vesuvius?
This African lake is the world’s second-largest freshwater lake by surface area.
What is Lake Victoria?
This flightless bird is native to Antarctica and is the largest living bird by mass.
What is the emperor penguin?
This organelle is often called the powerhouse of the cell.
What is the mitochondrion?
Botanically, this citrus fruit is a hybrid of a pomelo and a sweet orange.
What is the grapefruit?
She became the United Kingdom’s first female prime minister in 1979.
Who was Margaret Thatcher?
This country is completely surrounded by South Africa.
What is Lesotho?
This Australian mammal lays eggs and uses electroreception to find prey.
What is the platypus?
This process allows plants to convert sunlight into chemical energy.
What is photosynthesis?
This Italian cheese is traditionally made from whey rather than directly from milk.
What is ricotta?
This empire was ruled by Mansa Musa, often considered one of the wealthiest people in history.
What is the Mali Empire?