Going into the unknown is always exciting especially when that uncertainty is right in front of you. By 2025, one of the most fascinating and sharing travel trends will be exploring beneath towns. With a subterranean tour you can do something you’ve never done before like explore old tunnels, visit spectacular buildings or go on an adventure that isn’t very well known.
We’ll discuss some of the most amazing hidden travel jewels in the globe in this article. We’ll learn about how to organize your trip where to go and how to be safe. We will also commemorate how beautiful these unique historical and modern underground wonders are.
Why Underground Cities Will Be the Most Interesting Hidden Travel Spots in 2025
More and more individuals prefer to go to places that aren’t the conventional tourist sites. In 2025, those who travel will want more than just the traditional sights. They will want venues with absorbing tales and beautiful scenery.
A lot of underground cities were once old hiding places or sections of the city’s infrastructure. They have been changed to make them safe and fun for tours.
Climate-safe tourism: As cities get hotter, exploring underground is a naturally cooler adventure that can be done in all weather.
Things that go viral on Instagram: There are a lot of cool things to see in underground locations including candlelight passages and antique engravings that people want to share and look for.

Derinkuyu and Kaymaklı in Cappadocia, Turkey
Cappadocia is known for its fairy chimneys but underneath them are Derinkuyu and Kaymaklı, two large underground cities that were cut out of soft rock. Derinkuyu has eight storeys and was built during the Hittite and Byzantine periods. It used to keep thousands of people safe from invaders. Kaymaklı has walls painted red ochre, dwelling quarters, shared spaces and ventilation shafts.
Walk through old passageways and learn how brilliant early people were in a maze of size and time. This is great for folks who like to explore underground cities, learn about history and view stunning buildings.

RÉSO in Montreal, Canada
In Montreal, RÉSO or “the Underground City” is a massive network of commercial malls, metro stations, hotels and office towers that covers more than 33 km. It is a modern marvel that is underground. It has climate control as it is always full of bustle and is the biggest underground complex in the world.
This is a great way to get away from terrible weather in style as well as for individuals who live in the city and shop.

The Underground Great Wall is in Beijing, China
Not many people know about the underground version of the Great Wall. It was erected during the Cold War. The famed wall above was more magnificent than these tunnels although they were employed as fallout shelters for civil defence. Some areas are now open for guided tours that show off historical relics, hidden rooms and barracks.
It’s a terrific place for anyone who wishes to have unique travel experiences and embark on underground excursions because it allows you a rare insight at current Chinese history, architecture and civil resilience.

Coober Pedy, Australia
Coober Pedy is a town in Australia’s parched Outback where up to half of the population live underground in “dugouts” built into the hills to keep cool. Tourists can see underground churches, residences, museums and even opal mining.
Every day, live your life beneath! Coober Pedy boasts natural wonders, cultural insights and weird locations to stay that are great for adventure tourism and one-of-a-kind underground lodging.

Tokyo, Japan
Tokyo has a lot of places that are subterranean such as some shops and temples that are underground. There are a lot of cool things to visit underneath, like retail malls, hidden temples and themed restaurants that are concealed under the city. You can go to the “Underground Wonder Museum” or the Shin-Ōhashi underground temple which are both buried in some neighbourhoods.
This is the best destination for tourists who want to see the city in a new way and find hidden travel gems.
What Makes These Underground Cities Unique
- It is impressive how each place mixes history, culture and architecture.
- The tunnels in Beijing are like old Cold War artefacts that showcase the annals of civil defence and politics.
- Derinkuyu’s multi-level designing is extraordinary for its period and shows how creative people were in the past.
- Coober Pedy portrays how living underground can be a realistic and permanent way to adapt to daily life.
- Montreal’s RÉSO is an example of urban innovation demonstrating how to make cities that are both functional and maintain the stability of the environment.
- Tokyo’s underground temples and commercial malls are only two examples of the multiple layers that make up modern Japanese cities.
How to be ready for a journey to an underground city:
- Look for and book well-known tours. Trip.com, local tourism sites and travel blogs are the best locations to find the most up-to-date information about travellers and places to stay.
- Think about how easy it is to get to the site. A lot of them feature limited walkways, steps or rocky ground.
- Wear sturdy shoes and ask if the tours can help folks who have trouble getting about.
- Know what the weather is like and what time of year it is. The underground in Cappadocia is cool all year, whereas the RÉSO in Montreal is great in the winter. Know the specifics of where you’re going.
- Bring the basics: drink, a hat or wrap, a portable charger for your phone camera and a torch. A lot of tunnels are dark.
- Get clever content: Use only natural light or wide-angle settings to take photographs that will look well on Instagram without destroying the mood.
When you travel be wise and safe:
- Don’t touch the carvings, observe the walkway regulations and don’t leave rubbish at historical places.
- If you’re afraid of small spaces or have difficulties breathing, be careful some places may not let you escape easily mid-way the tour.
- Preservation is vital since a lot of tourists might hurt vulnerable buildings. Choose trips that keep gatherings small and follow guidelines to conserve nature.
- Choose experiences that are led by locals to help the communities you visit.
Every site has its own history, design and secret adventure, from the ancient caverns of Cappadocia to the underground shopping temples of Japan.
These secret places beneath are full of fun, tales and unique things to do no matter if you love history, exploring cities or getting your heart racing. If you follow our travel advice, put safety first and travel responsibly, you’ll have fantastic memories.
Let your next trip be more than merely reading pages. Dive below the surface, literally!
FAQs
Question 1: Are excursions of the underworld safe?
Yes, most of them are well-lit, well-ventilated and well-maintained when run by someone you can trust. Always read the safety regulations and reviews first.
Q2: What should I wear?
You don’t have to wear closed-toe walking shoes, although they are comfortable. You can also wear layers for when it gets colder underground and headlamps for when it gets darker.
Q3: What is the ideal place for families?
Families will love the RÉSO in Montreal and the dugouts in Coober Pedy. On the other hand, Cappadocia and Beijing might have confined spaces or deep areas.
Q4: Do cities underground stay open all year?
Yes, however they might close for repairs or during holidays. Before you plan your trip, make sure you can actually visit.
Q5: Can I take pictures inside?
Yes, but only to a point. Use natural light, be careful with the decor and don’t use flash photography if it could damage artefacts or destroy the ambiance.