Beautiful Hoi An is the most atmospheric city in Vietnam, with bags of surviving historic architecture. The old town quarter is a joy to explore, packed to the brim with well-preserved merchant houses that hark back to Hoi An's trading center heyday of the 15th century, when the town was a major meeting point for Japanese and Chinese merchants who flocked here for the local silks.
Plenty of the old merchant houses have been opened to the public, so you can get a taste of these times. The best is 17th-century Tan Ky House, with fascinating architectural and decorative elements. Hoi An's major symbol is the delightful Japanese Bridge at the western end of Tran Phu Street, while nearby, the Assembly Hall of the Fujian Chinese Congregation is the old town's most highly decorated temple.
There are numerous small pagodas and museums dotted about town, but Hoi An's true charm is found in simply rambling the old town streets admiring the well-preserved facades.