A trip to the capital wouldn't be complete without seeing the top 10 attractions in London. From the modern Coca-Cola London Eye to the historic Tower of London, the top 10 tourist attractions in London are a must-see on any London sightseeing trip. Even better, many London landmarks are free to visit, while others are available with discounted entry or special offers when using a London Pass. 1. Warner Bros. Studio Tour London – The Making of Harry Potter Step on to authentic sets, discover the magic behind spellbinding special effects and explore the behind-the-scenes secrets of the Harry Potter film series. Discover the iconic Hogwarts Great Hall and explore the Forbidden Forest, all before boarding the original Hogwarts Express at Platform 9 ¾ and wandering down Diagon Alley. Located at the Studios where all eight films were produced, the Studio Tour showcases the British talent, imagination and artistry that went into making the impossible a reality on scree