London is open for business (and fun!) 24/7specially now that the underground is running nonstop. Organized by the hours of the day, this insider's guide gives you the scoop on the most fascinating, delicious, and beautiful things the city has to offer. Discover the unknown nooks and crannies even within the most famous parks, palaces, and museums; find out where to have breakfast or a cocktail; and make the most of London's lively nightlife.