Wrocław (Wroclaw): Wrocław is a city in southwestern Poland known for its beautiful architecture and its many bridges. The city is often called the “City of Bridges” because it has over 100 bridges crossing the Oder River and its tributaries. Visitors to Wrocław can explore the Old Town, with its colorful buildings and lively market square; the Racławice Panorama, a massive painting that depicts a famous battle in Polish history; and the National Museum, which houses a collection of Polish art and artifacts.