Yellowstone and Yosemite are also very large and beautiful parks located in the USA - just to name a few. Your clue needs to be a little more specific. Also, you should accept "henge" as a correct answer for stone___. If you leave a gap like that, you basically ask only for the missing word, not the full term again. And please fix your clue with the tallest __. Again, it suggests a missing word we need to put in, not that you're actually asking for the tallest building!
This quiz needs better clues, less of your opinion, and better capitalization and grammar. Also, some clues went immediately, like Great Pyramid, while others, like the Great Wall of China, needed a very specific answer
Nice idea for a quiz, but I agree with the other comments: the clues and answers need a little bit of tweaking. Great Wall should not need "The" if the others don't. Also "The tallest __ in the world" - the blank (whatever it might be) certainly isn't the answer.
I am very sorry about this. This quiz is my first one and I didn't know what to do but come back I am fixing it. You might like this other quiz that I made much better, States by Median Income. Go check it out while I fix this one up