Did a car really drive up the Round Tower’s Spiral Ramp? How often did famous fairy tale writer Hans Christian Andersen visit the tower? Immerse yourself in our audio stories, and find out.

How long is the Spiral Ramp? How much does the Round Tower weigh? How large is the Library Hall? Get the answers to these questions and learn much more about the measure and weight of the Round Tower here.

At the top of the Round Tower you find the oldest functioning observatory in Europe. King Christian IV erected the tower to enable astronomers from the University of Copenhagen to gaze at the stars far…

Prams, guide dogs, wheelchairs and luggage. Read more about the practicalities before your visit to the Round Tower.

The Round Tower, built 1642 by King Christian IV of Denmark, is one of the most iconic edifices in Denmark and a landmark of Copenhagen. Originally erected to accommodate the university observatory, today the Round…