Did you know that good mental health is the main precondition for happiness? And that money is not in the top three? That we are happiest on Fridays and Saturdays? Denmark is often celebrated as the happiest country on Earth. Is it because of hygge? Discover the answers to all your happiness-related questions in this quaint little museum.

Copenhagen’s literary scene is rich and inviting, with a plethora of unique and well-curated bookshops waiting to be discovered. You can also seek refuge in Copenhagen's modern and architecturally stunning libraries such as The Royal Library (Det Kongelige Bibliotek) or The Copenhagen City Hall Library.

If you're looking to relax and pamper yourself on a rainy day, Copenhagen has a range of aquatic centers and spas to choose from. The Øbro-Hallen swimming pool offers a tropical oasis with saunas, steam baths, and indoor pools. Another option is the luxury spa, Ni'mat, where you can indulge in various treatments, including massages, facials, and hydrotherapy.

Delve into the world of Danish design at Designmuseum Danmark. With its extensive collection of furniture, decorative arts, and industrial designs, the museum provides insight into the nation's design legacy. It's a great place to appreciate the aesthetics that have shaped modern Danish living.

Copenhagen boasts several indoor food markets like Torvehallerne and Reffen. These bustling markets are perfect for a rainy day, offering a variety of food stalls where you can sample local and international cuisines. It's a culinary adventure that's sure to lift your spirits on a gloomy day.

Rain or shine, you can explore the wonders of the underwater world at The Blue Planet, Northern Europe's largest aquarium. Admire vibrant marine life, walk through immersive exhibits, and even experience the feeling of being underwater without getting wet.