Wiesbaden is one of the oldest cities along the Rhein and has, due to its location as the gate to the middle part of Germany, been a crossing point of trade roads. Although some hotels and bath houses were bombed during World War II, most buildings in Wiesbaden remained untouched. Because so few buildings were destroyed, the ornate architecture found in Wiesbaden is seldom seen in other German cities, making Wiesbaden one of the most beautiful cities in Germany. Many splendid examples of outstanding architecture from both Roman and subsequent eras remain, as well as wine cellars that date from the Roman period.