There’s a unique feeling you get when you walk through the United Kingdom. It’s a sense that history isn’t just something you read about in books; it’s a living, breathing presence in the world around you.
You feel it in the chill of a castle’s stone corridors, you see it in the worn steps of a medieval cathedral, and you hear it in the whispers of wind across ancient, mysterious plains. For a foreign visitor, coming to the UK is like opening a treasure chest of stories, with each landmark a different jewel.

But before you can step back in time, you need a key for the modern world. For many, that key is the UK’s new Electronic Travel Authorisation (ETA).
This guide will be your companion. We’ll start with the simple, 21st-century step of understanding the ETA, and then we’ll journey together through the UK’s most iconic historical sites. This isn’t just a checklist; it’s an invitation to experience the soul of a nation, one incredible landmark at a time.
First, Your 21st-Century Key: Understanding the UK ETA
Think of the ETA as a digital permission slip. It’s not a complicated visa, but an online authorisation that confirms you’re cleared for a short visit to the UK. It’s a new system being rolled out, so it’s essential to get it right.
Who Needs an ETA?
The system applies to travellers who don’t need a visa for short stays (like tourism). This includes citizens from many countries in Europe, the Middle East, and beyond. The list of Eligible Countries for UK eTA.
This is the only place you’ll find accurate, up-to-the-minute information on whether your nationality requires an ETA for your travel dates.
The Application is Simple, But Be Precise
You apply online for a UK eTA Application. The process is quick, usually taking around 20 minutes. You’ll need your passport, a digital photo, some travel details, and a payment card.
A small piece of advice from a seasoned traveller: don’t rush this part. A tiny typo in your name or passport number can cause big headaches. Slow down, double-check every detail against your physical passport, and apply at least a few weeks before your trip to avoid any last-minute stress.
Once approved, the ETA is digitally linked to your passport. You won’t need to print anything. It’s a seamless process designed to make your arrival smoother.
Now, with your modern key secured, let’s unlock the ancient kingdom.
1. The Tower of London: Where Royal Secrets and Crown Jewels Reside
If you only have time for one historical landmark in London, make it this one. The Tower of London is not just a single tower; it’s a formidable fortress, a former royal palace, and an infamous prison. For nearly 1,000 years, it has been the stage for some of the most dramatic events in English history.
The Story Lives Here
Walking through its gates feels like stepping directly into a story of power, betrayal, and survival. This is where Anne Boleyn and Catherine Howard, two of Henry VIII’s wives, were executed. It’s where the “Princes in the Tower” mysteriously vanished, and where famous figures like Sir Walter Raleigh were imprisoned. The very stones seem to echo with secrets.
What You Absolutely Cannot Miss:
- The Crown Jewels: Prepare to be dazzled. This collection of over 23,000 gemstones is breathtaking. The security is tight, and you’ll glide past on a moving walkway, but the sight of the Imperial State Crown is something you will never forget.
- A Yeoman Warder Tour: This is non-negotiable! The Yeoman Warders (or ‘Beefeaters’) are retired members of the British Armed Forces who live within the Tower. Their tours are free with your admission ticket and are the perfect blend of historical fact, hilarious anecdotes, and captivating storytelling. They bring the Tower to life.
- The White Tower: The oldest part of the fortress, built by William the Conqueror. Inside, you’ll find the Royal Armouries collection, including a suit of armour made for Henry VIII himself.
A Traveller’s Tip: Book your tickets online in advance to save time and often a little money. Arrive right when it opens to head straight to the Crown Jewels before the massive crowds build up.
2. Stonehenge: The Great Prehistoric Mystery
Venture out of the city and onto the vast, windswept Salisbury Plain. Here you’ll find a landmark that predates the pyramids, a place that has puzzled historians, archaeologists, and mystics for centuries: Stonehenge.

An Atmosphere of Awe
There is a powerful, humbling energy to this place. Seeing the colossal stones, arranged in their silent, perfect circle, makes you feel incredibly small. How did a prehistoric people, with no modern technology, transport and raise these massive megaliths? Why? Was it a temple, a burial ground, an astronomical clock? No one knows for sure, and that mystery is a huge part of its magic.
Experiencing the Stones:
You’ll walk along a path that circles the monument, which keeps it protected but still allows for fantastic views and photos from every angle. The excellent visitor centre nearby has over 250 archaeological artefacts and a fascinating exhibition that explores the theories behind the stones.
A Traveller’s Tip: The weather on Salisbury Plain can change in an instant. Even on a sunny day, it can be windy and surprisingly cool. Bring an extra layer and a waterproof jacket, just in case. Consider a tour that combines Stonehenge with a visit to the nearby city of Bath for an amazing day trip.
3. The City of Bath: Echoes of Roman and Georgian Splendour
The entire city of Bath is a UNESCO World Heritage site, and it’s easy to see why. Famous for its honey-coloured Georgian architecture and, of course, its ancient roots, Bath is a place of elegance and deep history.

A Window to Another World
The heart of the city is the Roman Baths, one of the best-preserved Roman remains in the world. This isn’t just a dusty ruin; it’s a living museum. You can walk on the original Roman pavements, see the ruins of the temple, and gaze into the Great Bath, where naturally hot, steam-filled water has been bubbling up for over 2,000 years. The audio guide included with your ticket is superb, with stories that make the ancient city feel alive.
Beyond the Romans:
After you’ve explored the baths, spend your time wandering through the 18th-century city. Admire the stunning architecture of the Royal Crescent, a sweeping arc of grand townhouses, and cross the beautiful Pulteney Bridge, one of the few bridges in the world with shops built along its full span.
A Traveller’s Tip: Bath gets very busy, especially on weekends. If you can, visit on a weekday. The train from London Paddington is direct and scenic, making it a perfect and easy day trip.
4. Edinburgh Castle: Scotland’s National Icon
Perched dramatically atop an extinct volcano, Edinburgh Castle is an unforgettable sight. It looms over the city, a constant reminder of Scotland’s proud, and often turbulent, history.

A Fortress of Stories
This is not one single building but a complex of them, reflecting its long history as a royal residence, a military garrison, and a fortress. It has been besieged, captured, and fought over for centuries.
Highlights Inside the Walls:
- The Honours of Scotland: See Scotland’s very own crown jewels, including the crown, sceptre, and sword of state. They are the oldest crown jewels in the British Isles.
- The Stone of Destiny: An ancient symbol of the Scottish monarchy, this simple block of sandstone has been used for centuries in the inauguration of kings.
- The One o’Clock Gun: A tradition since 1861, a gun is fired from the castle ramparts every day at 1 pm (except Sundays). Don’t be startled!
- St. Margaret’s Chapel: The oldest surviving building in Edinburgh, a tiny, peaceful chapel dating back to the 12th century.
A Traveller’s Tip: The castle is at the top of a steep hill called the Royal Mile. Wear your most comfortable walking shoes. The views from the castle ramparts across the city and out to the Firth of Forth are absolutely worth the climb.
5. Caernarfon Castle: A Welsh Iron Ring Fortress
To truly appreciate the history of the UK, you must explore beyond England and Scotland. In North Wales, you’ll find a chain of breathtaking castles built by King Edward I of England, and Caernarfon is arguably the most magnificent of them all.

A Statement of Power
Caernarfon Castle feels different. Its massive, polygonal towers and imposing curtain walls were designed to be an intimidating symbol of English dominance. But it’s also a place of great significance to the Welsh. It was the site of the investiture of Prince Charles as the Prince of Wales in 1969, a tradition that links back to medieval times.
Exploring the Walls:
This is a fantastic castle to explore. You can climb the towers, walk along the high walls (the views of the town and the water are superb), and immerse yourself in its medieval atmosphere. It’s less of a museum and more of an architectural marvel that you can physically experience.
A Traveller’s Tip: Caernarfon is a great base for exploring the wider wonders of North Wales, including the dramatic landscapes of Snowdonia National Park. Consider renting a car to give yourself the freedom to explore this stunningly beautiful region.
Your Journey Through Time Awaits
These five landmarks are just the beginning. The UK is a country where every town has a story, every lane has a past, and every hill might hide a secret.
Your Electronic Travel Authorisation is the simple, modern tool that unlocks this ancient world. By planning ahead and being precise with your application, you clear the way for a journey filled with awe and wonder.
The history is here, waiting for you. Go and be part of its next chapter.