From the must-see locations to the most frequently asked questions, our guide has all you need to plan your next visit. Planning a trip to London ? Explore the official tourism guide to London & discover the best things to do, attractions, events and why we love London. London , city, capital of the United Kingdom. It is among the oldest of the world’s great cities—its history spanning nearly two millennia—and one of the most cosmopolitan. Discover 556 hidden attractions, cool sights, and unusual things to do in London from Leadenhall Market to Magic Circle Museum.
