<figure class="wp-block-image"><img decoding="async" src="https://www.smartertravel.com/uploads/2018/12/shutterstock_1084631687-700x500.jpg" alt=""/></figure> <p>Poland is an interesting holiday destination, particularly for those who prefer sightseeing and active recreation to sunbathing at the swimming pool. Check out which cities are particularly worth visiting in Poland.</p> <p>Poland is a country...