In Thun, Switzerland, you can surf the Aer River: watch the amazing video

It is one of the most beautiful, largest and most famous squares in the world, but also the Plaza de España in Seville still holds secrets that not everyone knows. Also the protagonist of many successful movie films, it retains within itself the true soul ofAndalusia, a region divided between two worlds, the Arab and the Christian.

Did you know that the canals around are navigable? And that you can attend impromptu flamenco shows every day? This and much more hides this magnificent place, let's discover together all that, perhaps, you do not know.

Some of the lakes are really special, such as the Dead Sea (a very salty lake).

However, there are also some rather bizarre lakes that we are sure you have hardly ever heard of but that, if you ever find yourself in those parts, are worth exploring.

Here are the 9 craziest lakes in the world.

Nature is capable of creating spectacles that are simply magnificent: for example, it has managed to shape some lakes in such a way as to give them truly distinctive shapes.

Such is the case with the striking lake Nackern, located in the Swedish region of Östergötland, a short distance from the city of Linköping. When viewed from above, it truly looks like a heart nestled among lush forests.

The Great Barrier Reef in Australia is the largest coral agglomeration on Earth. 

It stretches over 2300 kilometres from Bundaberg almost to Papua New Guinea and encompasses an incredible diversity of ecosystems. 

This natural wonder is home to more than 1500 species of fish, 400 species of coral, 4000 species of molluscs and a myriad of other marine organisms. The coral reef is a place of extraordinary beauty, with its crystal-clear waters, tropical islands and white sandy beaches. It is a paradise for divers and snorkellers, thanks to its wealth of underwater fauna and flora. 

The Great Barrier Reef is also an important indicator of the health of our planet. Here are some curiosities you may not have known about the Great Barrier Reef in Australia.

The Harry Potter mania has, for years now, infected children and adults all over the world. The little wizard born from the imagination of J.K. Rowling has won the hearts of millions and sparked the creation of gadgets about the books and movies. But that's not all, because in addition to being able to visit the film locations in London, hotel rooms that are Hogwarts themed, the school of magic that Harry Potter attends with his friends and fellow adventurers, have been created in several cities. Such rooms can be found in both Italian and foreign hotels, in London of course. Everyone is exploiting the phenomenon Harry Potter and many fans are able to live the dream of staying at Hagwarts at least for one night.

Egyptian culture fascinates our society like few others. Pharaohs, sphinxes, pyramids, hieroglyphics.

All these things make us dream and take us back to a time that in our imagination has the mythical and the mysterious. The Napoleonic exploits of the early 1800s brought to Europe untold numbers of works of art of all kinds, displayed in museums around the world.

But where is the greatest concentration of Egyptian works on public display? Here is a list of some of the largest and most beautiful Egyptian museums in the world, a must-see for any culture-hungry tourist.

From Italy to Mexico to Japan, here's  a series of scary places to visit around the world on Halloween! If you have always been attracted to thrill and mystery, if you love the feeling of goosebumps and your favorite genre is horror, to visit the creepiest places on the planet without batting an eye. Braves everywhere, nightmare travelers, join the search for the scariest places on earth! If you love thrill and mystery, you will not be disappointed to discover these some of the most terrifying places in the world.

Skyscrapers in cities are getting taller and taller, totally changing the skyline and the conformation of the urban centres where they rise. 

The "Council on Tall Buildings and Urban Habitat" punctually updates the ranking of the tallest skyscrapers ever, taking into account structural architectural elements, i.e. any element that is part of the construction, including any spires, statues or antennas. 

Here are what are (and where can be admired) the 10 tallest skyscrapers in the world.