Greenwich Royal Park, National Maritime Museum, Old Royal Naval College, Royal Observatory Greenwich. Returning to the river, head to the iconic London Eye. Entrance fees for all museums and transport are not included River Thames Cruise (Westminster Pier- Tower- Greenwich- London eye)Discover London’s hidden riverside gems on this fascinating tour. Join your guide for an in-depth view of London’s magnificent landmarks seen from the river. First stop – Tower Bridge. Visit The Tower of London & Crown Jewels. During its 1000-year history this impressive fortress has been a Royal Palace, prison, mint and even a zoo! Re-joining the river cruise at Tower Bridge, journey to magnificent Greenwich.