Landmarks
You can visit Alcatraz prison in which of these states?
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You can find the Mark Twain House at which location?
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In what country is the World Heritage site, Semmering Railway?
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Where is Fish River Canyon, the second largest canyon in the world located?
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Located in Chihuahua, Mexico, what cave's main chamber contains the largest selenite crystals ever found?
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What is the name of the country house set in a large park, the Great Park in Hertfordshire?
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What enormous waterfalls in South America are 82 meters tall and 2.7 kilometers wide?
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