When it comes to travel in Europe, popular destinations like Paris, Rome, and London often top the list. However, there are many lesser-known destinations that are just as beautiful and worth a visit. Here are some of the hidden gems of Europe that you should add to your travel bucket list. Sintra, Portugal Located just outside of Lisbon, Sintra is a charming town that’s known for its fairytale-like castles and stunning scenery. The town is nestled in the mountains, and it’s surrounded by lush forests and gardens. One of the most iconic attractions in Sintra is the Pena Palace, a…