When people think of European travel destinations, buzzy places like Paris, London, Rome and Barcelona tend to come to mind.

But this vast continent is filled with countless incredible countries, cities, towns, islands and more places worth exploring. With that in mind, we asked travel experts to share the spots they think fly under the radar but are truly hidden gems.

Read on for 27 underrated destinations to consider for your next European vacation.

Tomar, Portugal

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"Tomar, Portugal is great for both history lovers and off-the-beaten-path adventures," said Reesa Avelino , vice president for Southern Europe at Goway Travel. "The small town is located a short distance from Lisbon and is home to the impressive Convent of Christ or Castle of Tomar, the head

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