Outside New York and Rome, few cities have as many iconic buildings as London does.
The British city has a stark contrast of buildings both new and old. Glass skyscrapers tower over castles while ancient cathedrals stand strong next to an ever-evolving modern city. From Big Ben to the Tower Bridge, there are works of architecture here that are famous throughout the entire world.
If you're planning a trip to London, here are 22 buildings you must see.
10 Downing Street, the prime minister's residence, has one of the most elegant entranceways in the world.
20 Fenchurch, known locally as the "Walkie Talkie," is one of the many modern skyscrapers dominating the city's skyline.
One of the most recognizable modern buildings in the city, 30 St Mary Axe —better known as The Gherkin — has a unique design that helps make it one of the most environmentally friendly buildings in the city.
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