It isn’t too much of a stretch to say that Big Ben is the most photographed clock in the world. Built in 1859, the famous clock and tower is actually called the Elizabeth Tower, but everyone and their dog knows it by its more informal moniker, a sobriquet thought to have been inspired by the Welsh civil engineer who oversaw its installation. The clock tower was once voted the most popular landmark in the entire country, so no trip to the capital is complete without snapping a shot of Big Ben, although the tower is currently undergoing some much needed renovations.