Read the etchings on the gravestones and get to know the area's history at Highgate Cemetery. You'll find lots of intriguing stories among the monuments here.
You'll have no end of sightseeing choices when spending time in Camden. Highgate Cemetery is an ideal place to start here, but there are plenty of other worthwhile places to experience. Buckingham Palace, Big Ben, and Trafalgar Square are not far from the burial ground and will fill in your day nicely.
