The "Modern World" has brought us awesome stuff, from hot water to Internet in the air to fake body parts on ladies of the night. It has also enabled architects to build structures that have defined our existence, allowing us to live close to each other, get to places faster, and to look up in awe at impossible-seeming buildings. Today we look at the greatest things human beings have built since we figured out how to put wood, steel, and a bunch of other stuff together and call it a house. Take the time to check this feature out by clicking on the arrows and thumbnails above, there is plenty of cocktail hour fodder for you here.