The Royal Observatory Greenwich is a must-visit destination for anyone exploring things to do in London. This historic site offers unique experiences, including standing on the Prime Meridian Line and viewing the stars through the Great Equatorial Telescope. Learn about the fascinating history of timekeeping and navigation, and explore interactive exhibits in the Astronomy Centre. With stunning views of London and a chance to attend stargazing nights, the Royal Observatory provides an unforgettable journey through science and history. Don’t miss this iconic landmark during your trip to London, where past and present come together in a truly engaging way.