Curiosities you definitely don't know about the Great Wall of China

Italy, France, Spain, Greece....so many places in Europe boast attractions that attract tourists from all over the world. But have you ever wondered which is the most popular of them all? After all, the Old Continent is full of wonders and history that is hard to find in other places.

But how to rank the most popular ones? That was done by "Musement", which analyzed more than 4200 places around Europe, taking into account the number of reviews each of being had on google.

Three Latin nations dominate over all, and this is nothing new, but now we will find out the actual ranking of the best tourist attractions in Europe.

In the desert of Karakum, in Turkmenistan, there is a huge gaseous crater known as the Gate of Hell, which is presumed to have been burning, without ever stopping, since 1971.

The crater was formed following the collapse of a natural gas cave and the name Gate of Hell was given to it by the local population, who live in the nearby village of Derweze. The name is associated with the fact that inside the crater, with a diameter of about 70 meters and a depth of 20, there is constantly fire, flames and boiling mud. At night, flames are visible even several kilometers away.

According to the local population, the Gate of Hell is a supernatural phenomenon. The explorer George Kourounis managed to take some soil samples inside the crater and from the analysis would have discovered the presence of bacteria that survived despite the high temperatures and present are inside the crater and not in the surrounding terrain.

Do you have a passion for travelling and are looking for a way to travel without spending too much money or even getting paid for it?

In this photo gallery you can find out how you can use your passion for travel to get unique and interesting experiences, such as becoming a volunteer abroad, a language teacher, a travel blogger, a cruise ship crew member, and much more.

Get inspired and discover how you can travel for free or even get paid to do so, making your travel dreams a reality.

Barcelona is a kaleidoscope of art, culture and natural beauty. Start with the Sagrada Familia, Gaudí's masterpiece, still under construction, and the Parc Güell, with its colourful and imaginative sculptures. 

The Barri Gòtic, the historical heart of the city, fascinates with its alleys and squares. 

Don't miss La Boqueria market, a gourmet's paradise, and Casa Batlló, another Gaudí jewel. Montjuïc offers breathtaking views and the Parc de la Ciutadella is perfect for a relaxing break. 

Luxury shopping and modernist architecture await you at Passeig de Gràcia. 

Enjoy the beach at Barceloneta and admire Picasso's art at the museum dedicated to the famous painter.

Discovered not long ago, according to local media reports, the ice cave in Penba County, Tibet Autonomous Region, is an arch-shaped cave about 165 metres long, 26 metres wide and 15 metres high. It is currently the largest cave in Tibet.

The ice cave is accessible from both ends and reminds many visitors of a crystal palace, especially when the sunlight transforms the atmosphere inside into a dreamlike place. The central part of the cave appears rather dark, which is why visitors are advised to bring a torch.

The ice cave is located about six kilometres from the village of Phayum, an area that includes snow-capped mountains and glaciers.

Mont Saint-Michel is a tidal islet located on the northern coast of France, where the Couesnon River flows. It is the most visited tourist site in Normandy and one of the first in the whole of France, with about 3,200,000 visitors each year.

It has been a UNESCO World Heritage Site since 1979. The particularity of this place lies in the fact that during high tide, Mont Saint-Michel becomes an island completely surrounded by water. However, during low tide, it can be accessed on foot via a bridge.

Having also become a very important place of worship over the centuries, with its Benedictine abbey dating back to the 10th century, there are many mysteries and legends surrounding one of the most unique and evocative places in the world

Thanks to its natural, historical, cultural and gastronomic beauties, Italy is one of the most visited and appreciated countries by tourists. 

From Rome to Florence, then Naples, Milan and Venice, there are so many destinations to visit in Italy: in addition to the most famous places, tourists also appreciate lesser-known locations, and sometimes end up loving them more than the most famous places. 

The language-learning app Preply analysed the online ratings and reviews of tourists on the famous website TripAdvisor and came up with a ranking of the most popular cities. Of course, the reviews are the result of subjective experiences and do not determine which city is the best overall.

Komodo Island is an island in Indonesia, part of the Small Sunda Islands, that offers much to its visitors. This unique place is home to unspoiled nature, where one can explore fairy-tale scenery, moonlit walks on the beach, and peaceful boat trips.

But that's not all: this island is known for the famous Komodo dragon that lives exclusively on its territory.

Incredible but true: let's find out more about this particular island and its ''dragons'' together.

Be enchanted by the legendary atmosphere of these ancient manors and admire the majesty of their towers and walls. 

These castles, long inhabited, not only provide a backdrop of timeless architectural beauty, but also encapsulate centuries-old stories that have helped shape our culture and way of being.

Be inspired by the beauty of Italian castles and discover the history of these magical places. Here are ten of Italy's most evocative castles still inhabited and guardians of beauty and art, amid ancient stones and centuries-old stories.

Some statues are true masterpieces, historical testimonies to the past of the European continent where classical civilisations flourished. 

These statues are admired all over the world for their beauty, for the faithful reproduction of real details and for their grandeur: many of them, in fact, are more than two metres high precisely to confer greater majesty. 

Here is where you can admire some of the most beautiful classical statues of antiquity, from the Greek to the Roman world.

The Metropolitan Cathedral of Notre-Dame is the main Catholic place of worship in Paris, mother church of the Archdiocese of Paris. 

It is one of the most famous, celebrated and visited Gothic cathedrals in the world, located in the heart of the French capital, of which it is the main symbol along with the Eiffel Tower and the Arc de Triomphe. 

Almost destroyed by fire in 2019, the cathedral has been rebuilt and is preparing to be open to the public again soon. There are many mysteries and curiosities surrounding this magnificent church. Perhaps, some of these curiosities you do not know.

Ancient, but still fascinating and (partly) well-preserved: the famous travel magazine Time Out has published a list of some of the oldest cities on the planet.

These settlements can be found around the world, from the Middle East to Africa and the heart of Europe.

The list only includes cities that you can currently visit: here are what some of the world's oldest cities are and where they are located, with invaluable historical and archaeological evidence.