Why you should go: Escape the hustle and bustle of London's streets and admire some of the capital's most recognisable sights from the water before spending the night at a 4-star hotel within a few minutes' walk of Covent Garden. 

What's the big deal? Travelzoo members save up to 46% on this cruise-and-snooze package, which includes a 24-hour hop-on, hop-off City Cruises pass and an overnight stay at the Strand Palace hotel. Prices start from £89 per person.