The Regent’s Park, will take you from the Marylebone Road to Camden. The London Zoo is located here, although many of the animals have been repatriated or relocated. An early scene from Harry Potter and the Philosopher’s Stone was filmed in the Reptile House. The Park is famous for its rose gardens, which hold more than 30,000 roses of 400 different varieties. There is an open-air theatre, which produces Shakespeare comedies in the summer.