Inside Brussels’ Giant Atom

Visiting the Atomium in Brussels: What to Know Before You Go

Once you start researching what to see in Brussels, there is one landmark you cannot unsee: the Atomium. It pops up everywhere, looking like a giant shiny atom that somehow landed on the edge of the city, and once you know it exists, you also know you are probably going to end up there. At least, that is exactly what happened to us. Seeing it from the outside was already on our Brussels list, but of course, we also wanted to know what was hiding inside those enormous silver spheres. So, we waddled over, bought our tickets, and went inside. Here is how our visit to the Atomium went, what you can actually expect inside, and whether we think it deserves a spot on your Brussels bucket list. 

What Exactly Is the Atomium

The Atomium looks like someone dropped a giant science experiment in the middle of Brussels, but it has a story behind those shiny spheres. Belgian engineer André Waterkeyn designed it as the showpiece of Expo 58, the Brussels World’s Fair held in 1958, at a time when people were incredibly optimistic about science, technology, and what the future might look like. Its unusual shape represents an iron crystal magnified 165 billion times, with nine spheres connected by 20 tubes. Building something like this in the 1950s was no small project either. Engineers ran wind-tunnel tests, built the sphere frames from steel, covered them in aluminum, and designed much of the structure like a giant Meccano set, using standardized pieces that could be assembled on site. Construction started in 1956, and the Atomium was completed on 25 March 1958, less than a month before Expo 58 opened. And here is probably our favorite part of the story: it was never supposed to stay. The Atomium was meant to be a temporary Expo structure. Yet, people became so attached to this strange giant atom that it survived, was extensively renovated between 2004 and 2006, and is now one of the symbols of Brussels and Belgium. More than 800,000 people visit it each year, so apparently we are far from the only ones who see a giant shiny atom and immediately think, yep, we need to go inside that.

Getting to the Atomium

The Atomium isn’t right in the center of Brussels, so you will need to make a short trip to get there, but thankfully it is an easy one. You will find it at Place de l’Atomium 1 in the Heysel/Heizel area, around 6 km north of the historic center. For us, public transport was the easiest option. We took the metro and got off at Heysel/Heizel, the closest metro station to the Atomium. From there, it is only a short waddle, and you definitely do not need Google Maps for long because that enormous silver structure soon appears in front of you. If you are coming from around Grand Place and De Brouckère, take Metro Line 1 to Beekkant, change there to Line 6 towards Roi Baudouin/Koning Boudewijn, and get off at Heysel/Heizel. The metro journey itself takes roughly 15 minutes, so allow around 25 to 30 minutes from central Brussels once you include the walk and waiting for the metro.

You can also drive to the Atomium, and there are parking options in the surrounding Heysel area. However, the Atomium does not have its own private or guarded car park, and it does not operate the parking areas. If you leave your car there, lock it and don’t leave anything valuable visible inside. Brussels is also a Low Emission Zone, which is worth checking before driving into the city, particularly if you are visiting Belgium with a foreign-registered car. For us, the metro was much less hassle. We hopped on, waddled the few minutes from Heysel station, and suddenly Brussels’ giant shiny atom was right there in front of us.

Atomium Tickets & Opening Hours

Atomium Opening Hours

The Atomium is open every day from 10:00 to 18:00, with the ticket office closing and last entry at 17:30. A few dates have adjusted opening hours, particularly around Christmas and New Year, so we recommend checking the official website before your visit. To avoid the biggest crowds, the Atomium recommends arriving at 10:00, while 11:00 to 15:00 is usually the busiest period. Another option is visiting after 17:00, when visitor numbers usually start dropping.

Atomium Tickets: Prices & What’s Included

You can buy your Atomium ticket online in advance or directly from the ticket office when you arrive. We recommend buying online, especially if you are visiting on weekends, holidays, or during the busy summer months. Keep in mind that an online ticket lets you skip the ticket-office queue, not the queue to enter the Atomium, and online purchases include transaction fees. Your standard ticket includes the five accessible Atomium spheres, the panorama, permanent and temporary exhibitions, plus admission to the Design Museum Brussels, just 150 meters away.

• • Adult (18–64): €17
  • Senior (65+): €15
  • Student: €9
  • Child up to 115 cm: Free
  • Plushies: Free Entry
  • Combo Option: Atomium + Mini-Europe from €35 for adults

When buying your tickets at the Atomium, you can pay in cash or by card. If you prefer to have everything sorted before you arrive, you can also buy your tickets online. Always double-check the official Atomium website before your visit for the latest opening hours and ticket prices, as both can change.

Facilities & Amenities at the Atomium

• Toilets. Available at the ticket pavilion for €0.50, including accessible toilets.
• Lockers. Available for a €1 deposit, which is returned afterward.
• Strollers. Must be left in the designated stroller area behind the ticket office.
• Souvenir Shop: Yes, with Atomium, Brussels, and Belgium-themed souvenirs.
• Restaurant. A panoramic restaurant is in the upper sphere.
• Elevator. Takes you to the panoramic sphere at the top.
• Wheelchair Access. The panorama is wheelchair accessible, but the other spheres require stairs and escalators.
• Large Luggage. You can’t take it inside, so use the lockers where possible.
• Food & Drinks. You cannot bring or consume your own food and drinks inside the Atomium.
• Photos. Personal photography is allowed, but professional/commercial photography is restricted.
• Animals. Not allowed inside, except guide dogs.

Going Inside the Atomium

We arrived by metro, got off at Heysel/Heizel and made our way towards the Atomium. And then you see it. We had seen hundreds of photos before visiting, but they don’t quite prepare you for how huge this thing actually is. As we got closer, our first reaction was basically, okay, wow… this is going to be cool. The giant silver spheres towering above you look even more bizarre in real life, and knowing that you can actually go inside them and move between them makes the whole thing even more fascinating.

It is also pretty wild to think that the Atomium was originally supposed to be taken down after Expo 58. We are very glad that plan never happened because there really is nothing else quite like it. Even if you decide not to buy a ticket and go inside, we think seeing the Atomium from the outside is worth the trip alone, especially if it is your first time in Brussels. There is plenty of space around it to walk, step back, and get those classic photos with the entire structure in the frame. Our first impressions were definitely positive, and by the time we reached the entrance, we could not wait to waddle inside and find out what was actually hiding in those giant shiny balls.

What’s Actually Inside Those Giant Spheres

Since the Atomium was built in 1958, we went inside expecting corridors, displays, and interiors that would remind us of its age. That idea disappeared pretty quickly. You step into metal tubes, ride escalators between the spheres, climb stairs, and waddle through spaces filled with changing lights and sounds. At times, you forget that you are inside a structure from the 1950s and feel more like you have walked onto the set of an old sci-fi movie. Even getting from one sphere to another becomes part of the visit rather than simply a way to reach the next exhibition.

Inside the spheres, you find a mix of permanent and temporary exhibitions. Some take you back to Expo 58 and explain how the Atomium was designed and built, while others use light, sound and the shape of the rooms themselves as part of the experience. One minute you are reading about something that happened more than 65 years ago, and the next you are walking through a glowing tube towards another giant silver sphere. We went in expecting the view from the top to be the main event, but moving through the Atomium ended up being just as memorable. And there is something very strange, in the best way, about looking around and realizing you are now standing inside one of those giant balls you were photographing from the ground a few minutes earlier.

The Escalators Might Be the Coolest Part

We did not expect to get this excited about escalators, but here we are. 😂 Moving between the spheres means stepping into long metal tubes, some filled with lights that change around you as the escalator carries you up or down. At one point, it felt like we were going through a portal rather than moving to another part of a building. You see the lights running along the tube, the end disappears somewhere ahead of you, and for a few seconds you stand there thinking, where exactly are we going? Then the doors open or the escalator ends, and you are inside another giant sphere.

The View From the Top Sphere

Eventually, you make your way to the top sphere, where the windows open up to views across Brussels. From 92 meters above the ground, you can look down at Mini-Europe, the surrounding parks, King Baudouin Stadium, and across the city. On a clear day, you can see for kilometers, but this is not really the kind of viewpoint where you stand outside with nothing between you and the skyline. You are looking through windows, so reflections can make photos tricky, especially when people are standing behind you. We had to move around a bit to find a good spot without someone’s reflection showing up in our photo. Still, looking down from the sphere adds another layer to the experience. A few minutes earlier, you are standing underneath the Atomium staring up at it, and suddenly you are inside the ball at the very top, looking back down at Brussels.

Overall, we enjoyed our time inside the Atomium, and it wasn’t quite what we expected before we waddled in. You get the history first, with exhibitions showing how the Atomium came to be and its connection to Expo 58, and then suddenly you step onto escalators, move through metal tubes, and watch lights run around you. It is a fun mix of learning what happened here in 1958 and then feeling like you have somehow walked into the future. And now and then, you remember where you actually are: inside one of those giant spheres you were staring at from the ground earlier. You are basically walking around inside a giant atom, which sounds slightly ridiculous when you say it out loud, but that is also what makes the whole experience feel a little surreal.

After our visit, we headed back to the classic photo spot in front of the Atomium, where you can step back and fit the whole structure in the frame. But instead of taking another 50 photos of the same giant atom 😂, we have another recommendation: get a Belgian waffle. When we visited, a waffle truck was right there, so we couldn’t just waddle past it. A warm Belgian waffle with the Atomium towering above us made a pretty good way to end the visit. So yes, get your Atomium photo, but if that waffle truck is there, get the waffle too.

There is also a restaurant inside the Atomium, and not just somewhere near the entrance. It sits in the top sphere, about 100 meters above the ground, so the setup is all about eating while looking out over Brussels. You reach it by elevator, and the tables sit beside the windows, with the city spread out below you. The menu focuses on Belgian cuisine, making it an option if you want to turn your Atomium visit into lunch or dinner rather than heading straight back into the city. Because of the location and limited number of tables, book ahead, especially if eating inside a giant atom is on your Brussels bucket list.

How Long Do You Need at the Atomium

We recommend 1.5 to 2 hours for the Atomium itself. That gives you enough time to go through the exhibitions, move between the spheres, enjoy those portal-like escalators, stop at the top for the views, and take photos without checking the clock. You can get through it faster, but we won’t rush it. Also remember to add time for photos outside, because once you start walking around trying to fit the entire Atomium into one photo, another 20 minutes can disappear very quickly. 😂 If you are also visiting the nearby Design Museum Brussels or Mini-Europe, we would set aside at least half a day for the whole area.

Best Time to Visit the Atomium

If you want to avoid the biggest crowds, we would aim for opening time at 10:00. You’ll get there before most visitors arrive, have more space inside the spheres, and have an easier time getting photos outside without too many people wandering into the frame. The Atomium says 11:00 to 15:00 is generally the busiest period, so we would try to avoid those hours if your schedule allows. Another option is to come later in the afternoon, particularly after 17:00, when visitor numbers start dropping, but remember that the last entry is at 17:30, so you will have much less time inside. For us, morning wins if you want to explore without rushing.

🏨Hotel search from Trip.comShows Trip.com’s own box, which can set Trip.com cookies.Show

What Else Is Near the Atomium

Since you have already made the trip outside central Brussels, it makes sense to see what else is around before waddling back.

• Mini-Europe: Right next to the Atomium and probably the easiest attraction to combine with your visit. Walk past miniature versions of famous European landmarks, from Big Ben to the Eiffel Tower.
• Design Museum Brussels: Only around 150 meters from the Atomium, and admission is included with your Atomium ticket. An easy bonus stop while you are already here.
• Osseghem Park: A green space beside the Atomium where you can walk, sit down, or take a break from sightseeing.
• Laeken Park: Another option if you want to add a walk to your day and explore more of the area surrounding the Atomium.
• Royal Palace of Laeken: The official residence of the Belgian royal family is nearby. You cannot normally visit the palace itself, but the surrounding Laeken area is worth exploring.
• Royal Greenhouses of Laeken: Part of the Royal Estate and open to visitors only for a short period each year, usually in spring. If your Brussels trip overlaps with the opening dates, this is one to check.
• Japanese Tower & Chinese Pavilion: Two buildings that stand out immediately in the Laeken area. The interiors have been closed to visitors for years, but you can still see them from outside.
• King Baudouin Stadium: Belgium’s national stadium sits close to the Atomium. Unless you are attending an event, you probably do not need to make a separate trip here, but you will likely spot it while exploring the area.

What We Loved & What We Didn’t

Overall, the Atomium was one of those Brussels attractions we are glad we didn’t just photograph from the outside. Going inside added much more to the experience than we expected.

What We Loved

• The building itself: There really is nothing quite like walking around inside a giant atom.
• The escalators and tunnels: Easily one of our favorite parts. At times, it felt like we were traveling through a portal.
• The interiors: We expected the Atomium to show much more inside, but the lights, metal tubes, and installations completely changed that impression.
• The history: We liked learning about Expo 58 and how the Atomium came to exist before exploring the structure itself.
• The view: Looking down over Brussels from inside the top sphere adds another perspective to the visit.
• The photos: You get plenty of opportunities inside and out, though fitting the whole Atomium into one shot takes some waddling backward.

What We Didn’t Love

• The crowds: Some sections can feel packed, especially when everyone is trying to use the same escalators or stop at the same windows.
• Photos from the top: You are shooting through glass, so reflections can make it hard to get a clean photo.
• The price: At €17 per adult, it is not one of those attractions you casually pop into, especially if you are traveling as a family.
• You may need to plan your timing: Visiting during the busiest part of the day can change the experience quite a bit, so we would aim for opening time if possible.

Buy Us a Ko-fi

The Atomium ended up being one of those Brussels experiences we are very glad we did, and yes, we think it is worth going inside at least once. We came expecting the giant silver spheres we had seen in photos, but what we remember most is being inside them: learning about Expo 58, moving through those portal-like escalators, and occasionally stopping to remember we were walking around inside a giant atom. Would we pay to go inside every time we return to Brussels? Probably not. We think one visit is enough, although we could see ourselves coming back for a relaxed lunch in the restaurant at the top. But for your first trip to Brussels, make the journey out of the center, take far too many photos, waddle through the spheres and finish with a Belgian waffle outside. Not a bad way to spend a few hours in Brussels.

Travel Bold. Eat Well. Waddle Wild.

---

Save This Pin for Later!

This post contains affiliate links. If you click and buy, I might earn a tiny commission, enough to help a penguin keep up its globe-trotting lifestyle. No extra cost to you, just more fish for me. Thank you for supporting the adventure!