1. The Little Mermaid: The iconic statue inspired by Hans Christian Andersen's fairytale. 2. Nyhavn: Quaint colorful houses, bustling restaurants, and boats along the historic waterfront. 3. Tivoli Gardens: One of the oldest amusement parks in the world, offering thrilling rides, beautiful gardens, and live entertainment. 4. Christiansborg Palace: The seat of the Danish Parliament, featuring stunning architecture and royal reception rooms. 5. Rosenborg Castle: A well-preserved Renaissance castle housing the Danish Crown Jewels. 6. Amalienborg Palace: Home to the Danish royal family and an impressive architectural ensemble. 7. National Museum of Denmark: An extensive collection of Danish history and culture, including Viking artifacts and medieval art. 8. Round Tower: Climb the winding ramp to enjoy panoramic views of Copenhagen. 9. Frederik's Church (The Marble Church): A grand Rococo-style church with a distinctive copper green dome. 10. Strøget: Explore Europe's longest pedestrian shopping street, lined with shops, cafes, and street performers.