Mentioned by holidify.com
40 London Attractions & Sightseeing
"3 km from city center 7 out of 40 places to visit in London. A royal fortress and a World Heritage Site which is also famous for being an infamous prison back in the day, the Tower of London, founded in 1066 and located in the heart of the city, is a majestic fortress, with a history dating back to centuries before the present day. Treat your eyes to the world-famous and priceless jewels, archaic yet riveting architecture, and to a clear view of the River Thames on a day trip to this Tower."