World Caves
1 / 15Famous caves and underground formations
15 quick questionsNo sign-upFree to playTap an answer below to begin ↓
Mammoth Cave, the world's longest known cave system, is located in which U.S. state?
About World Caves
World Caves is a free general knowledge quiz with 15 multiple-choice questions aimed at mixed difficulty. Famous caves and underground formations A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. Mammoth Cave, the world's longest known cave system, is located in which U.S. state?
Answer: Kentucky
2. The Lascaux Cave in France is famous for its prehistoric what?
Answer: Cave paintings
3. Carlsbad Caverns, known for its massive bat flights, is located in which U.S. state?
Answer: New Mexico
4. The Cave of Crystals, containing giant selenite crystals up to 36 feet long, was discovered in which country?
Answer: Mexico
5. What is the term for a rock formation that hangs from the ceiling of a cave?
Answer: Stalactite
Frequently asked questions
What's a good follow-up after World Caves?
If you enjoyed this general knowledge quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
Can I print World Caves?
Yes — use the Print button at the top of the page for a clean question sheet, or "Print with Answers" to make an answer key. Printed sheets work well for group play at home, in a classroom, or at a senior center.
Will I lose my progress if I close the page?
Your overall progress — XP, streaks, and badges — is saved in your browser automatically. A quiz that's underway restarts if you leave mid-game, but at about 7 minutes, World Caves fits comfortably in one sitting.
How many questions are in World Caves?
World Caves has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
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