Kastellet

Worth it if you're after a proper historical wander without spending a penny – the free entry makes it brilliant for a casual morning stroll, and those 5000+ reviews at 4.9 stars suggest it genuinely delivers. If you've only got an hour or two and fancy learning the story properly, one of the 37 paid tours might be worth the extra cash, but honestly the walk itself seems solid enough on its own.

Written by us from the live data above — never copied from anywhere. Ratings and counts update from Viator.