Heritage · Landmark
Tower of London: History, Attractions & Visitor Guide
Tower of London is a historic and cultural icon known for its significance and beauty. Explore its history, key attractions, and visitor information.Written to last — not to trend.
By Confinity Heritage Editorial · 2026-07-20 · 7-minute readQuiet tools, not a toolbar.
The Tower of London stands on the north bank of the River Thames, guarding the eastern edge of the City of London. Founded by William the Conqueror soon after the Norman Conquest of 1066, it has served in turn as a fortress, a royal palace, a prison, an armoury, a treasury, the Royal Mint, a menagerie of exotic animals and, since the seventeenth century, the home of the Crown Jewels. Few buildings in Britain have held so many roles at once, or held them for so long.
At its centre is the White Tower, the great Norman keep begun around 1078, from which the whole castle takes its name. Around it grew two rings of defensive walls and a moat, together with a cluster of smaller towers, chapels and lodgings added by successive kings across the medieval centuries. The complex covers about 12 acres (4.9 hectares) beside Tower Bridge.
Today the Tower is cared for by the independent charity Historic Royal Palaces and is one of Britain's most visited paid attractions, drawing about 2.8 million people in 2025. It was inscribed on the UNESCO World Heritage List in 1988 as a monument symbolic of royal power and as the outstanding surviving example of the Norman royal castle.
William the Conqueror ordered a fortress raised in the south-eastern corner of London's old Roman walls, both to protect the city and to hold its citizens in check. UNESCO describes the Tower as, in effect, the gateway to the new Norman kingdom, sited at a strategic bend in the Thames between the growing power of the City and the power of the monarchy. Work on the stone keep, the White Tower, is generally dated to about 1078 and was overseen by Gundulf, Bishop of Rochester, a noted builder of the day. The keep was probably finished by around 1100. It was built largely of Kentish ragstone, with paler Caen stone brought from Normandy to dress the corners and windows.
The castle grew far beyond that first keep. Under Henry III (reigned 1216 to 1272) the inner curtain wall and several new towers were added, and the king had the great keep whitewashed, which is how it came to be called the White Tower. His son Edward I (reigned 1272 to 1307) carried out the largest single building campaign, spending some £21,000 between about 1275 and 1285 to wrap the castle in a second, outer ring of walls and a broad moat. The result was a concentric fortress, one of the most advanced defensive designs of its age, and the plan visitors still walk through today.
For most of its history the Tower was a working arm of government rather than a single-purpose castle. The Royal Mint struck England's coinage within its walls from the reign of Edward I until the operation moved to a new building on nearby Tower Hill in 1810. The Office of Ordnance stored weapons and armour here, and public records, an observatory and a great magazine of gunpowder all found a home inside the walls at various times. The broad moat, long fed by the tidal Thames, was drained in 1843 on the orders of the Duke of Wellington, then Constable of the Tower, after it had become a serious health hazard.
The White Tower is the oldest and most important building on the site and one of the finest surviving pieces of Norman military architecture in Europe. It measures roughly 36 by 32 metres at the base and rises about 27 metres (90 feet) to the southern battlements, with walls up to 4.6 metres (15 feet) thick at ground level. A turret stands at each of its four corners. On the upper floor is the Chapel of St John the Evangelist, a plain, powerful Romanesque space that survives largely as it was built more than nine centuries ago.
Beyond the keep, the Tower is effectively a small walled town. The inner ward is ringed by more than a dozen towers, each with its own name and history: the Wakefield and Lanthorn towers of Henry III's riverside palace, the Bloody Tower with its working portcullis, the Beauchamp Tower whose walls are covered in prisoners' carved graffiti, and the Bell and Salt towers among them. Edward I's outer wall carries further towers and two water gates, including the arch long known as Traitors' Gate, through which prisoners were once brought in by river. The medieval palace at St Thomas's Tower and the Wakefield Tower has been furnished to show how the private chambers of a thirteenth-century king may have looked. The White Tower still displays arms and armour from the Royal Armouries, the national collection of arms and armour that grew up here as an ordnance store before its main holdings moved to a purpose-built museum in Leeds in 1996.
For some six centuries the Tower also housed a royal menagerie, one of the oldest zoos in Europe. Kings received exotic animals as diplomatic gifts and kept them here. Henry III was sent a polar bear in 1252, said to have been allowed to fish in the Thames on a long chain, and an African elephant arrived from Louis IX of France in 1255. Lions, leopards, tigers and other beasts followed over the centuries. The collection was finally closed in 1835, and the surviving animals were moved to the new Zoological Gardens in Regent's Park, today's London Zoo. The Lion Tower that had housed them was afterwards pulled down.
Although it was never purpose-built as a jail, the Tower is best remembered as a prison, a role it filled from 1100, when the Norman bishop Ranulf Flambard became both its first recorded prisoner and its first escapee, until the middle of the twentieth century. Its prisoners tended to be people of rank, held on the orders of the crown. Among them were the two boys known as the Princes in the Tower, the uncrowned Edward V and his brother Richard, who disappeared in 1483; Sir Thomas More, held before his execution in 1535; and Sir Walter Raleigh, who spent some thirteen years there and wrote part of his History of the World during his confinement. Guy Fawkes was interrogated and tortured in the Tower after the Gunpowder Plot of 1605, though torture was in fact uncommon in England and required a special warrant from the crown. Not every prisoner stayed put: the Jesuit priest John Gerard made a celebrated escape by rope across the moat in 1597. As late as May 1941, Rudolf Hess, deputy leader of Nazi Germany, was held at the Tower for four days after flying alone to Britain, one of the last people ever imprisoned there.
Most executions connected with the Tower took place in public on Tower Hill, just outside the walls, before large crowds. Only a small number of high-ranking prisoners were put to death privately within the fortress, on Tower Green. They included three queens of England: Anne Boleyn, second wife of Henry VIII, beheaded on 19 May 1536; Catherine Howard, his fifth wife, on 13 February 1542; and Lady Jane Grey, queen for just nine days, on 12 February 1554. The Tower's part in state killing did not end in the Tudor age. Eleven German agents were shot there during the First World War, and the last execution of all took place on 15 August 1941, when Josef Jakobs, a German spy captured after parachuting into England, was shot by firing squad at a rifle range in the grounds. The gangster Kray twins, briefly held in 1952, are usually counted among the Tower's last prisoners.
Since 1669 the Tower has been the home of the Crown Jewels, the working regalia of the British monarchy. The medieval and Tudor regalia were broken up and melted down in 1649 during the Commonwealth, so almost the entire present collection dates from the restoration of the monarchy and the coronation of Charles II in 1661. Kept under armed guard in the Jewel House in the Waterloo Block, which Queen Elizabeth II opened in 1994, the collection runs to around 140 objects set with some 23,578 gemstones. Its centrepieces include St Edward's Crown, used at the moment of coronation; the Imperial State Crown; and the Sovereign's Sceptre with Cross, which holds the 530-carat Cullinan I, the largest clear-cut diamond in the world. Unlike most museum treasures, these are still in use: the monarch wears them at coronations and at the State Opening of Parliament.
The Tower is guarded by the Yeoman Warders, better known as Beefeaters, who have looked after it since Tudor times and today act as its guides. Each Warder is a former senior member of the British armed forces, and the Warders and their families live within the walls. Their most famous companions are the Tower's ravens. By tradition at least six ravens are kept at the fortress, cared for by a Ravenmaster, and a well-known story holds that if they ever leave, the Crown and the Tower will fall. The tale is often credited to Charles II, though historians have found little firm evidence for it before the late nineteenth or early twentieth century.
Ceremonial life at the Tower is unusually continuous. The Ceremony of the Keys, in which the fortress is formally locked for the night, has been performed each evening for at least 700 years and is said to have gone ahead even as bombs fell during the Second World War. Royal gun salutes are still fired from the Wharf on state occasions, and passing Royal Navy vessels have on rare occasions paid the ancient Constable's Dues, a token tribute to the Constable of the Tower.
The Tower's survival owes much to centuries of repair and, more recently, to careful conservation. It was extensively restored during the Victorian period, suffered bomb damage in both world wars, and is now protected at the highest levels available in England: it is a Grade I listed building and a Scheduled Monument, and its medieval fabric is maintained with traditional materials and techniques. In 1988 UNESCO added the Tower to the World Heritage List under criteria (ii) and (iv), recognising it as a symbol of royal power since the Norman Conquest and as the pre-eminent surviving example of the Norman royal castle. Historic Royal Palaces, the charity that runs the site, manages it against an agreed World Heritage management plan.
The Tower stands at Tower Hill in central London, next to Tower Bridge, and is easily reached by public transport. Tower Hill Underground station (Circle and District lines) and Tower Gateway on the Docklands Light Railway are both a short walk away, and river boats call at Tower Pier. The main entrance is on the western side, through the Middle Tower.
The Tower is open most of the year, with shorter hours in winter, and the last admission is an hour before closing; the site is usually busiest around midday and during school holidays, so an early start makes for a calmer visit to the Crown Jewels. A full visit, taking in the Jewel House, the White Tower and a Yeoman Warder tour, takes about three hours. The Warder tours are included with admission and set off regularly through the day. Because ticket prices, opening times and access arrangements change from year to year, it is best to check current details and book in advance through Historic Royal Palaces before travelling. Much of the site is accessible, though the medieval buildings and their spiral stairs place some limits on step-free routes, and the historic cobbles can be uneven underfoot.
History
The buildings
Prison, executions and the Crown Jewels
Traditions and preservation
Visiting
References and resources
- UNESCO World Heritage Centre: Tower of London (ref. 488)
- Historic Royal Palaces: The story of the Tower of London
- Historic Royal Palaces: The Crown Jewels
- Historic Royal Palaces: Tower Green and Scaffold Site
- Historic Royal Palaces: The Tower of London Menagerie
- Historic Royal Palaces: Visit the Tower of London
- Wikipedia: Tower of London
- Historic England: Tower of London (list entry 1000092)