4.5 star rating: Recommended 248 Reviews

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  • Location:Paris, France
  • Duration:90 minutes (approx.)

Behind-the-Scenes Eiffel Tower Tour Including Champ de Mars’ Underground Bunker

Go behind the scenes at the Eiffel Tower and discover the places that few visitors get to see! On this intriguing 1.5-hour Eiffel Tower tour, explore the Champ de Mars’ underground bunker, and visit the engine room that controls the tower’s important hydraulic lifts. Head up to the 2nd level and enjoy privileged views from the rooftop terrace at the esteemed Alain Ducasse restaurant, Le Jules Verne.


  • Go behind the scenes at the Eiffel Tower on a 1.5-hour tour
  • See little-known sites that most Eiffel Tower visitors don’t get to see!
  • Visit the WWI underground military bunker located beneath the Champ de Mars
  • Walk around the Eiffel Tower’s engine room and see machinery that powers the hydraulic lifts
  • Enjoy views from the rooftop terrace of Alain Ducasse’s restaurant – Le Jules Verne – on the 2nd level of the Eiffel Tower
  • Spend time at leisure on the 2nd level after your tour ends

Why Our Insiders Chose This Tour

Lots of people visit the Eiffel Tower, but most don't even know about the cool things you see on this tour. Head down to the wartime bunker with its secret tunnels and back up to the second floor to take in the sweeping views from a restaurant's private rooftop terrace. A fun and educational tour!

Recent Photos of This Tour

What You Can Expect

Behind-the-Scenes Eiffel Tower Tour Including Champ de Mars’ Underground Bunker

Behind the Scenes Eiffel Tower Tour Including Champ de Mars' Underground Bunker

Meet your expert guide in front of the world-famous Eiffel Tower, located on the bustling Champ de Mars in Paris. As you gaze up at this incredible monument, your guide will get you up to speed about its history: hear how it was built for a world fair (the International Exposition of 1889), and learn how the locals’ opinions of it changed from ‘eyesore’ to ‘much-loved architectural icon.’

After your introduction, leave the tourist crowds behind and head underground to a little-known bunker, directly beneath the Champ de Mars. Explore the bunker with your guide, hearing wartime tales of this secret place that so few have seen. In its early days, the Eiffel Tower was used to house army communications equipment, and at the onset of World War I, the need for an easy evacuation route became apparent. The answer was the creation of the bunker, complete with secret tunnels, in a complex underground network beneath the tower.

Head back into the daylight and on to your next behind-the-scenes site – the Eiffel Tower engine room. Housing the machinery that powers the monument’s hugely important hydraulic elevators, the engine room represents the functional part of the tower’s day-to-day operations, as well as containing some beautiful infrastructure.

Take a ride in the hydraulic elevators to the 2nd level of the Eiffel Tower, home to Alain Ducasse’s prestigious Le Jules Verne restaurant. Michelin-starred, the restaurant is one of the few places in the world where top views and top food go hand in hand. Normally reserved for Eiffel Tower employees only, the restaurant’s private rooftop terrace boasts incredible panoramic views over Paris – and you’ll be one of the privileged few to see them!

Your tour finishes back on the 2nd-level balcony, where you can spend as much time as you want walking around independently, taking in breathtaking views of the city. Before leaving, your expert guide will point out where you can purchase tickets for the 3rd level, should you wish to experience the Eiffel Tower from the very top!

Customer Reviews

5 star rating: Highly Recommended September 2015

Our tour guide Juan was funny and informative. He was kind and knowledgeable and encouraged questions. We recommend this tour for anyone who would like to learn about the history of the Eiffel Tower away from the crowds.

5 star rating: Highly Recommended September 2015

Our tour guide Rita discussed a few important dates in French history and outlined the construction of the Eiffel Tower. We were given a tour of the underground bunker and later shown the machinery operating the hydraulic lifts.
The tour guide escorted the group to the lifts minimal waiting and upon reaching the second level, pointed out the significant landmarks in Paris. We were then left to explore the Eiffel Tower ourselves and to get to the third level if we chose.
Rita interacted well with the children and adults in the group. Highly recommended.

5 star rating: Highly Recommended September 2015

Viator NEVER fails to deliver!!! This was an excellent tour. We were taken to areas that the general public does not get to see. The tour guide was quite knowledgeable. She was also very friendly.

5 star rating: Highly Recommended September 2015

It was an excellent tour and my husband so enjoyed the underground tour of the machinery. Our tour guide, I believe her name was Louise, was excellent! She spoke great English and was extremely knowledgeable. The price was good. Thank you

5 star rating: Highly Recommended September 2015

Interesting Tour. Have been to the Eiffel Tower many times and never knew the bunker even existed.

5 star rating: Highly Recommended September 2015

An amazing tour with a fantastic guide. Bunker from a historical perspective very interesting. Also, being able to see the mechanical/electrical/hydraulic workings of the the Eiffel tower- something I never thought I would see. THen skip the line to the second level. Guide was with us every step of the way- so informative.
This tour is a sleeper but absolutely worth every cent!!

5 star rating: Highly Recommended September 2015

It was so much more than just the tower and we paid less than most other tours. Tour guide was fantastic too.

5 star rating: Highly Recommended September 2015

We found this tour to be informative and the trip to the second floor of the Eiffel Tower gave us a wonderful view of Paris.

5 star rating: Highly Recommended September 2015

Great price, no lines, and great information with an awesome tour, our tour guide was very knowledgeable, I recommend this to everyone.

5 star rating: Highly Recommended August 2015

We've been to Paris a number of times, but we've never known about this tour before. It's great!! You get to enter the bunker on the Champs de Mars and see a lot of history there. Then you go inside the workings of the tower and see the huge piston and the two accumulators at work. Even if you're not an engineer, like my husband, you'll be impressed. One thing was a little confusing, though. In the information, it said you wouldn't get priority entrance into the tower itself. That's not true. You do get priority entrance into the tower, just not to the top.

I highly recommend this tour to those who have never been to the Eiffel Tower and to those who've been and never thought of going again. This is a great reason to visit the Grand Dame again.

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Tour code: 5717EIFFELTOWER


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