Of course, guided tours of Peterborough's historic sites are a popular way to explore the city. There are numerous tour operators that offer a detailed look at the city's rich history. These include fascinating tours of Peterborough Cathedral, a jewel of Norman architecture, and Flag Fen Archaeology Park, a Bronze Age site. You can also visit Burghley House, one of England's most magnificent Elizabethan houses. Each tour is narrated by experts and includes anecdotes and insider knowledge.