Royal Observatory Greenwich

The Royal Observatory Greenwich is a globally significant historic site, perched atop a hill in Greenwich Park. It is famously known as the home of Greenwich Mean Time (GMT) and the Prime Meridian Line, where visitors can stand with one foot in the Eastern Hemisphere and one in the Western. Established in the 17th century by King Charles II, the observatory played a crucial role in astronomy and navigation, helping to solve the problem of measuring longitude at sea. Visitors can explore iconic buildings like Flamsteed House, see historic telescopes, and discover the scientific instruments that revolutionized our understanding of the universe. The site also houses London's only planetarium, offering captivating shows about space and stars (additional cost may apply). With its rich history of science, stunning views over London, and the unique experience of straddling two hemispheres, it's a fascinating destination for all.