From the modern 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. Use the London attractions map to find them all.There are also plenty of kid-friendly places to visit in London. Get up close and personal with underwater creatures at SEA LIFE London Aquarium or explore the Science Museum, London's interactive hub of science and technology. Both are perfect for fun family days out in London.