Visit the Royal Observatory in Greenwich, the home of Greenwich Mean Time and the Prime Meridian (0° 0’ 0”), where East meets West. Explore Sir Christopher Wren’s historic observatory, learn about Britain’s role in navigation and trade, and stand astride the iconic Meridian Line. Tour Flamsteed House to see how the Astronomers Royal lived, try hands-on activities at the Astronomy Centre, and touch a 4.5 billion-year-old meteorite. Don’t miss the Peter Harrison Planetarium, offering immersive shows for all ages (additional charges apply). Highlights include the Meridian Line, Great Equatorial Telescope, Time Ball, and Shepherd Gate Clock.