 These include explorers Captain Cook, Christopher Columbus, navigators Gerardus Mercator and Henry the Navigator, botanists and explorers Charles Darwin, Carl Linnaeus and John Parkinson and landscape architect Andre le Notre.Inside the Palm House are two sculptures by Benjamin Edward Spence "Highland Mary" and "The Angel's Whisper".The grounds of the Palm House feature a statue of Peter Pan which was one of the last works by the British sculptor Sir George Frampton.