Here are some of the best things to look out for in this massive collection of wild and wonderful animals.
Step into the heart of the African rainforest, where you'll see lowland gorillas including the zoo's silverback, Kumbuka. The surrounding enclosures feature other primates, like cute mangabeys and macaques.
Another family of famous residents in London Zoo, the habitat has been specifically designed to recreate their hunting grounds in India. The enclosure features urban elements to show how today lions often adapt to live virtually side-by-side with man-made environments.
Meet some of London Zoo's gentler residents, home to butterflies from different corners of the globe. You'll see them flying around, and perhaps they'll even land on you as you wander.
Unique in Europe, this walk-through exhibit will help you understand how this strangely misunderstood creature lives. As well as the kinds of arachnids you'd find in your garden, there are huge bird-eating spiders and black widows to see.
There's plenty to do close to this hub of natural wonder, a stone's throw from Camden Town.
This is one of the official Royal Parks of London, originally used for the exclusive enjoyment of the Royal Family and now open to all. Stroll to the lake and admire duck families, or rent a 'Boris Bike' and take a ride around the grounds.
Long established as the haven for alternative fashion and lifestyles in London, you can explore Camden Town's huge market, great for offbeat fashion and unique gifts. There's also a world of cuisine available to enjoy al fresco by the canal-side, from pizza to Vietnamese street food.
Don't miss the chance to find out more about the UK's most famous fictional detective. Located at his address on 221B Baker Street, the museum features exhibits on different incarnations of the clever sleuth, from the past to the modern day.
A definite favourite for visitors of all ages to the capital, get a selfie with your favourite stars, from Britney Spears to Barack Obama, in one of the world's most famous wax museums. Wave from the royal balcony with the Queen and Meghan Markle or even ride that famous bike with ET.