Rosenborg Castle

"Christian IV's 17th-century summer palace sprouts like a Renaissance mirage in the center of the city."

"Contains ballrooms, halls, and reception chambers, but for all of its grandeur there's an intimacy that makes you think the king might return any minute." Full review

"The pièce de résistance, however, is the basement Treasury, home to the dazzling crown jewels, among them Christian IV's glorious crown and the jewel-studded sword of Christian III." Full review

"It is well worth exploring the the many rooms, filled with art and furniture, collected by the royal family, before descending into the vault to admire the pretty, sparkly things." Full review

"In 1710, the palace ceased to be a royal residence as Frederik IV considered it too small. Since 1833, Rosenborg has housed the Crown Jewels." Full review