Colonial Revival homes first appeared in the U.S. in the latter part of the 19th century and have proliferated in eclectic forms ever since. With their woodwork, windows and pleasing symmetry, they evoke a sense of permanence and tradition. Depending on when and where they were built, Colonial-style homes may not have the open, flowing layouts so popular among homeowners today. Here, see how seven owners revamped their Colonials to fit their 21st-century lives and tastes.