Google Explore is a great feature that helps you explore flights to popular destinations. You can type in a country you're interested in visiting, and it'll find the best time to visit based on the lowest priced flights within the next 6 months and show all available airports to fly into.
There's so many amazing places to eat in Europe. If you're looking for authentic flavors, it's best to avoid places with their menus displayed outside in English. These restuarants typically cater to tourists. Instead, use apps like Yelp to check reviews, ask locals, get advice from friends who have visited the country before, or check out a popular travel blog.