Their construction was meant to inspire, not become an embarrassing black-mark on a city's skyline. Check out the skyscrapers that prove bigger isn't always better.

Add Yahoo as a preferred source to see more of our stories on Google. Son Doong, the world's largest cave passage — big enough to fit a skyscraper — is deep inside a Vietnamese jungle. Exploring the ...

What would it take to construct a building that reaches into space?