If you are a seasoned European traveler, odds are you’ve visited many architectural sights, monuments, and historic landmarks that not only take you back to the time of old but also feature state of the art interior and unique architecture. The Royal Castle in Warsaw is no different. A tour of the castle helps you appreciate the rich Polish history it preserves.  The Royal Castle is one of the most popular buildings in Warsaw’s Old Town. Renowned for being the former residence of the royal family in Poland, the castle was completed destroyed during the Second World War. The structure you see today was rebuilt in the ’70s and ‘80s.…