The Copenhagen Opera House is a landmark on the city's harbor, offering a unique cultural experience with stunning modern architecture. It hosts world-class performances, making it a must-visit for anyone seeking things to do in Copenhagen. This activity can be affordable, with diverse ticket pricing available, making it an appealing option among cheap activities in the city. Strategically located, it offers easy access from many hotels, ensuring a convenient addition to any itinerary curated by an AI Travel Agent or Trip Planner App. Considering a trip to Copenhagen, activities like this highlight the blend of culture and travel, easily planned with modern AI Travel tools for those ready to fly to Copenhagen.