| Stays in the UNESCO World Heritage Site of Maritime Greenwich -- home to the National Maritime Museum, the Royal Observatory and the Cutty Sark -- now start from £75. This offer from De Vere Devonport House, which includes bed and breakfast and a bottle of prosecco, is valid until the end of May. Rates vary throughout the week, starting from £75 for overnight stays on Friday, Sunday-Monday in February-March. The highest rates are £85. You'll save up to 45% on the usual cost. | 