The historic center of Warsaw is designated as a World Heritage Site . Park of Frederic ##a attracts music lovers and pianists for outdoor concerts . Much of Warsaw was destroyed during World War II , then faithfully restored . The street is also home to a sweet Warsaw tradition . Poland has been a member of the European Union since 2004 .
The historic center of Warsaw is designated as a World Heritage Site . Park of Frederic ##a attracts music lovers and pianists for outdoor concerts . Much of Warsaw was destroyed during World War II , then faithfully restored . Poland has been a member of the European Union since 2004 .