The Tower of London is a historic fortress located on the north bank of the River Thames in central London, UK. It has served many roles throughout its thousand-year history, including a royal palace, a prison, and even a zoo. Today, it's known for housing the Crown Jewels and for the iconic Beefeaters who serve as guardians of the fortress. The Tower's rich history and architecture draw visitors from around the world, making it a symbol of British heritage and a fascinating window into the past.