The square White Tower was built in 1066 and each monarch since has developed new bits of this historical palace and fortress. It's where Henry XVIII beheaded some of his wives, and where the royal Crown Jewels are kept.
Every evening, the historic ceremony of the keys takes place between the guards. You can book to attend for £5.
This uncompromising slab of a building has been many things, including the site where Henry VIII ordered the execution of two of his wives and, currently, home of the Crown Jewels
View full review from Condé Nast Traveler
Address: London EC3N 4AB, UK
Phone: +44 20 3166 6000