The Round Tower, or Rundetaarn, is one of Copenhagen’s most iconic historical landmarks, seamlessly blending architecture, science, and art. Constructed in the 17th century by King Christian IV, this cylindrical tower holds the title of Europe’s oldest functioning observatory. Its unique spiral ramp, rather than traditional stairs, was designed to allow horses to carry equipment and scholars to ascend with ease. Today, this distinctive feature draws thousands of visitors each year who enjoy the leisurely climb to the top. As you ascend the ramp, you’re treated to exhibitions showcasing Denmark’s rich scientific and cultural history, often featuring art, photography, and historical artifacts. At the summit, the viewing platform rewards visitors with panoramic views of Copenhagen’s cityscape, from the colorful Nyhavn harbor to the spires of Christiansborg Palace. The Round Tower isn’t just about breathtaking vistas—it’s a portal into Denmark’s storied past and a symbol of innovation and creativity. The tower's design reflects the Renaissance’s love of merging functionality with beauty. The building also houses a library hall that once served as a hub for scholars and now hosts concerts, talks, and exhibitions, making it a lively cultural space. A visit to the Round Tower is a must for anyone seeking a blend of history, culture, and Instagram-worthy sights. Whether you’re a history buff, a photography enthusiast, or a casual traveler, this off-the-beaten-path gem offers a unique way to experience Copenhagen’s charm. Keywords: iconic Copenhagen landmark, historical observatory, panoramic city views, unique architecture, cultural history, off-the-beaten-path Copenhagen, things to do in Copenhagen.