Combo: Royal Observatory Greenwich & Tower of London Tickets

- Tick off Greenwich's Prime Meridian and the Tower's Crown Jewels in one value ticket, covering two of London's most visited royal landmarks. - At Royal Observatory Greenwich, access the Prime Meridian Line with self-guided entry plus a multilingual downloadable audio tour - At the Tower of London, get entry to the Crown Jewels, White Tower, battlements, Bloody and Torture Towers plus Fusiliers Museum and Royal Mint. - Plan a day around them or split your visit, one booking secures entry to both sites and you can visit on the same day in whichever order suits you.