London is home to many famous attractions that draw millions of visitors each year. One of the most iconic is the Tower of London, a historic castle that has served various purposes, including a royal palace and a prison. Nearby, the Tower Bridge offers stunning views and a chance to learn about its engineering. Another must-see is the British Museum, which houses a vast collection of art and artifacts from around the world, including the Rosetta Stone. For those interested in royal history, Buckingham Palace is the official residence of the monarch and features the famous Changing of the Guard ceremony.