If you're visiting St. Petersburg in the summer, the Peterhof Palace & Garden is an absolute must-see. A UNESCO World Heritage Site, Peterhof was the brainchild and summer palace of Peter the Great.

Europe's royal palaces are not only architectural wonders but play an important role in the culture and history of their ...

1. Palace of Versailles, France: This iconic palace is the epitome of royal opulence and architectural grandeur. It boasts stunning interiors, magnificent grounds, and an impressive Hall of Mirrors ...