While the euro is used in many European nations, not all have adopted it. Countries like Hungary, Poland, Denmark, and Switzerland use their own currencies.
What to do instead: Do your research in advance to find out what currency is used in each country you plan to visit, and plan accordingly. Apps like XE Currency are great for real-time conversion rates.
From sun-kissed beaches to alpine meadows, Europe boasts an array of destinations that come alive during the summer months. Whether you seek relaxation, adventure, or cultural immersion, here are some of the best summer destinations in Europe to add to your travel bucket list.