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The secrets of World War II

17 Reviews 4.88 out of 5 stars Based on 17 reviews collected by City Balloon Tours and TripAdvisor |
Recommended by 94% of reviewers
94% of reviewers gave this experience a rating of 4 or higher.
| Wroclaw, Poland
Book online or call us

from $216.98 per person

Lowest Price Guarantee
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Don't miss out!
On average, this is booked 21 (0) days in advance.
9 hours (approx.)
Hotel pickup offered
Mobile ticket
Offered in: English
Instant confirmation

Overview

Let us take you on an adventure along the track of the biggest secrets of the Second World War in Lower Silesia. See Osowka, which is part of Project Riese, Ksiaz Castle, Gross-Rosen concentration camp.

What's Included

  • A sightseeing in the language of your choice,
  • A drop off to the hotel / hostel.
  • No additional charges.
  • Lunch
See 4 moreSee 3 more

Meeting and Pickup

Pickup point

What To Expect

Book Online

Our secure website provides real-time availability, instant confirmation, and free, no-hassle cancellations up to 24 hours before your tour begins.
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Safe & secure Easy breezy Hassle‑free

Gross-Rosen Museum in Rogoznica

Gross-Rosen in Rogoźnica – the biggest Nazi-German concentration camp in Lower Silesia, with particularly harsh conditions and penal work in the quarries. The motto of that place was Vermichtung durch Arbeit (Annihilation through work). Around 40 000 prisoners died here: Poles, Jews, Russians, French and Hungarian.
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2 hours Admission Ticket Included

Zamek Ksiaz w Walbrzychu

Ksiaz Castle – the third biggest castle in Poland, situated in the majestic rock cliff by the side of the Pelcznica River. Located 395 meters above the sea level and surrounded by a beautiful forest, the castle is sometimes called the Pearl of Lower Silesia. The castle's location combined with its size is not a common sight in Europe. In 1943 Hitler's paramilitary organization Tod began building one of his main quarters which, along with other objects of the Riese complex close the castle, near Osowka and Wlodarz, played a crucial role.
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1 hour 30 minutes Admission Ticket Included

Underground Town Osowka

The Osówka Complex – part of an impressive project conducted by the Nazi Germany between 1943 and 1945 (codename Riese). The mysterious structure called The Underground city still hasn't revealed all of its secrets … Discover the biggest and the most complex Hitler's headquarters in Lower Silesia.
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1 hour Admission Ticket Included

Show 2 more stops

Additional Info

  • Confirmation is instant and will be received at time of booking
  • Travelers should have at least a moderate level of physical fitness
  • Infants and small children can ride in a pram or stroller
  • Specialized infant seats are available
  • Children must be accompanied by an adult
  • This tour/activity will have a maximum of 15 travelers

Frequently Asked Questions (8)

Q: What is the cancellation policy for the The secrets of World War II?

A: You can cancel up to 24 hours in advance of the tour for a full refund. For a full refund, you must cancel at least 24 hours before the tour start time.If you cancel less than 24 hours before the tour start time, the amount you paid will not be refunded.Any changes made less than 24 hours before the tour start time will not be accepted.Cut-off times are based on the tour local time (CET). Read more Apr 2025

Cancellation Policy

You can cancel up to 24 hours in advance of the tour for a full refund.

Still have questions?

We're here to help.
Activity code: C-29564P4

Traveler Photos

Reviews

4.88
17 reviews

Average 4.88 out of 5 stars based on 17 traveler reviews collected by City Balloon Tours and partner sites such as Cool Destinations and TripAdvisor

5 stars
16
4 stars
0
3 stars
1
2 stars
0
1 star
0
Don't miss out!
On average, this is booked 21 (0) days in advance.
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Frequently Asked Questions (8)

Activity name

The answers provided below were previously given in response to questions from City Balloon Tours customers.

Filter by:

Q: What is the cancellation policy for the The secrets of World War II?
A:
You can cancel up to 24 hours in advance of the tour for a full refund.
  • For a full refund, you must cancel at least 24 hours before the tour start time.
  • If you cancel less than 24 hours before the tour start time, the amount you paid will not be refunded.
  • Any changes made less than 24 hours before the tour start time will not be accepted.
  • Cut-off times are based on the tour local time (CET).
Apr 2025
Q: What's included in the price?
A:
The following is included:
  • a sightseeing in the language of your choice,.
  • a drop off to the hotel / hostel.
  • No additional charges.
  • assistance of a pilot,.
  • a pick-up from the hotel and transfer by an air-conditioned minibus,.
  • an English-speaking driver,.
  • The price includes:.
The following is NOT included:
  • Lunch.
Apr 2025
Q: What is the weather cancellation policy?
A:

This tour requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.

Apr 2025
Q: What is the minimum age for this tour?
A:

The minimum age to participate is 3. This tour requires at least one adult to accompany children..

Apr 2025
Q: My date is not available in the calendar, I am just checking to see if it is available?
A:

If a date or time is not listed on the calendar, it’s sold out or unavailable for another reason. Support cannot assist further if a date or time is not on the calendar.

If you find a date and time that works for you, book it NOW because things always sell out at this time of year.

Apr 2025
Q: Is this an accessible tour?
A:

Accessibility information for the The secrets of World War II is as follows:

  • Travelers should have at least a moderate level of physical fitness
Apr 2025
Q: Where is the meeting point for this activity?
A:

Detailed check-in instructions – including meeting point address, Google map, and parking information – for The secrets of World War II will be included in your confirmation email from City Balloon Tours. Please be sure to double and triple check your email address is correct at checkout so this important email makes its way to you!

 

 

Mar 2024
Q: How long does a refund take to reach my card, and can I get it faster?
A:

Once your refund is processed, it usually shows on your card statement within 5–10 business days. The exact timing depends on your bank or card issuer.

Want it sooner? When you cancel, choose Receive a refund to my wallet instead. The credit is in your Wallet straight away and is applied automatically at checkout on your next booking when you’re signed in with the same email. You can see your balance any time in My Wallet.

If you paid part of your booking with Wallet credit, that part always goes back to your Wallet. Trip protection isn’t refundable.

Oct 2026

What's Included

Activity name

  • A sightseeing in the language of your choice,
  • A drop off to the hotel / hostel.
  • No additional charges.
  • Assistance of a pilot,
  • A pick-up from the hotel and transfer by an air-conditioned minibus,
  • An English-speaking driver,
  • The price includes:
  • Lunch

Additional Info

Activity name

  • Confirmation is instant and will be received at time of booking
  • Travelers should have at least a moderate level of physical fitness
  • Infants and small children can ride in a pram or stroller
  • Specialized infant seats are available
  • Children must be accompanied by an adult
  • This tour/activity will have a maximum of 15 travelers

Report Product Issue

Activity name