It's all castles and cathedrals. Head out of Copenhagen for the day on this guided small-group tour, visiting UNESCO World Heritage-listed Kronborg Castle, the sitting for Shakespeare's Hamlet, and then Frederiksborg Castle, the largest Renaissance-era castle in Scandinavia. After a tour of the fortresses head to stunning Roskilde Cathedral, the burial spot for numerous kings and queens. Finally, finish the tour at the Viking Ship Museum. This small-group tour is limited to just 16 people or fewer.