Landmarks

What is this 13,000+ mile long structure?

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When was Saint Basil's Cathedral built in Russia?
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Which is located in Liverpool, England?
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Where is Hearst Castle?
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Which U.S. state's highest point is Mt. Rainier, measured at 14,410 feet?
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What island is located in Loch Ness?
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You can find the Mark Twain House at which location?
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What theme park that is full of replicas of sites all over the world is located in Shenzhen, China?
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Where did the Romans go to socialize and bathe?
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