With no royals or nobility to house or protect, America's castles serve purposes more suited for the modern age, playing host to corporate events, museums and even wineries. American castles are delightfully out of place, seeming to transport visitors and onlookers back into the past even when these travelers are privy to the knowledge that there is a 7-11 just a few miles down the street. With this sort of pleasant misplacement in mind, we have compiled a list of some of America's most beautiful and accessible castles, each with its own unique and fascinating history.