London, one of the world's most vibrant and multicultural cities, is also well-known for its richly preserved history. Landmarks like Buckingham Palace, the Tower of London, and Westminster Abbey attract visitors to this rainy corner of the world annually. And the city's museums, among them the Natural History Museum, Tate Britain, and the British Musuem, are not only rich in significance but also wonderfully free (in most cases) to visitors. It only follows that some of our favorite hotels have also been home to some historical achievements. The Cadogan is an unpretentious boutique hotel with a prestigious Knightsbridge address. This 64-room hotel occupies a historic Edwardian townhouse on Sloane Street, in close proximity to local shopping. The property has a rich history, including the room where Oscar Wilde awaited his arrest in 1895 and another where King Edward VII met with his mistress, the British actress Lillie Langtry.