Leonardo da Vinci painted this portrait, now displayed at the Louvre, whose subject's enigmatic smile has fascinated viewers for centuries.
What is The Mona Lisa
This Indian independence leader used nonviolent civil disobedience to resist British colonial rule, most famously leading the 1930 Salt March.
Who was Mahatma Gandhi
This is the most widely spoken language in the world by total number of speakers, including both native and second-language speakers.
What is English
This is the closest star to Earth, located about 93 million miles away.
What is the sun
This is the only mammal capable of true sustained flight, using echolocation to navigate in the dark.
What is a bat
This Spanish architect designed the still-unfinished Sagrada Familia basilica in Barcelona, begun in 1882.
Who was Antoni Gaudi
The first woman to win a Nobel Prize, she won two — in Physics and Chemistry — for her research on radioactivity.
Who was Marie Curie
A 'palindrome' is a word or phrase that reads the same forwards and backwards — this common palindrome is a type of vehicle.
What is Racecar
NASA's Voyager 1, launched in 1977, became the first human-made object to enter this region beyond the solar system's influence.
What is Interstellar Space
The process by which a caterpillar transforms into a butterfly inside its chrysalis is called this.
What is Metamorphosis
This Dutch Post-Impressionist painter created 'Starry Night' while staying at an asylum in Saint-Remy-de-Provence in 1889.
Who was Vincent van Gogh
This Carthaginian general famously crossed the Alps with war elephants to invade Rome during the Second Punic War.
Who was Hannibal Barca
This punctuation mark, is used at the start of exclamatory sentences in Spanish.
What is an inverted exclamation point
This dwarf planet, demoted from full planet status in 2006, was discovered in 1930 by astronomer Clyde Tombaugh.
What is Pluto
Native to Madagascar, these primates are found nowhere else on Earth and are named after Roman spirits of the dead due to their eerie calls.
What is a Lemur
Built in the 15th century, this Incan citadel sits 7,970 feet above sea level in the Peruvian Andes and was unknown to the outside world until 1911.
What is Machu Picchu
Serving from 1837 to 1901, this British monarch gave her name to an entire era and oversaw the height of the British Empire.
Who was Queen Victoria
Derived from the name of a Belgian town, this word describes a type of rough, woven fabric used in carpet-making and upholstery.
What is Chenille (from Chenille, France)
The Andromeda Galaxy is on a collision course with our galaxy. What is the name of our galaxy?
What is The Milky Way
This is the world's largest living organism — a honey fungus network in Oregon's Blue Mountains spanning about 2,385 acres.
What is a Armillaria ostoyae (honey fungus)
This art movement, pioneered by artists like Dali and Magritte in the 1920s, drew on dreams and the unconscious mind to create bizarre, fantastical imagery.
What is Surrealism
This South African anti-apartheid leader spent 27 years in prison before becoming his country's first democratically elected president in 1994.
Who was Nelson Mandela
This literary device gives human qualities to non-human things — for example, 'the wind whispered through the trees.'
What is Personification
This phenomenon occurs when a massive star collapses at the end of its life, producing a gravitational pull so strong that not even light can escape.
What is a Black Hole
A group of flamingos is called by this colorful collective noun, matching the birds' vibrant hue.
What is A flamboyance