The Royal Castle – the red-brick palace that greets you as you enter – was rebuilt from scratch after World War Two. Nearly ...

While you’re in the area, take the stairs to the rooftop garden on top of the University of Warsaw Library. One of the ...

During a routine cleaning of a riverbed in Poland, volunteers found a 6-pound cannonball believed to date back to the 17th century. The well-preserved relic was discovered at the bottom of the Krzna ...

Volunteers cleaning Poland’s Krzna River uncover well-preserved 6-pound 17th-century cannonball, sparking intrigue about its origins, Lublin officials said.

See easyjet.com. STAYING THERE: There are Mercure Hotels in both Gdansk and Krakow where doubles start from £105 B&B. See ­mercure.accor.com. MORE INFO: See poland.travel/en.