These Are the Top 10 Summer Vacation Destinations For 2020, According to Travel Experts

New nonstop flights from the United States to Poland (both Warsaw and Kraków) are opening up the country to American travelers. Poland in the Summer is filled with outdoor concerts, festivals, and warm weather. "Its fascinating, complex history and vibrant current cultural scene make it a rising favorite with our members," Biggs Bradley said. When traveling in the Summer, you can catch the Kraków Film Festival from May 31 to June 7 and Jazz na Starówce in Warsaw (free Saturday concerts in the Old Town Square) from July through August.