The unusual ability of 'sea nomads' to hold breath is due to one major organ

Learn the stories behind seven of the world's most renowned abandoned cities and villages, from the infamous Chernobyl nuclear catastrophe zone to Hashima Island.

Portland, Oregon is home to the tiniest park in the world, a two-foot-diameter circle. Mill End Park is the name of this park.

At 10,582 square kilometers (4,086 sq mi), the Salar de Uyuni (or Salar de Tunupa) is the largest salt flat in the world. It is located in the Potosi and Oruro departments in southwest Bolivia, near the crest of the Andes, and is elevated 3,656 meters (11,995 ft) above the mean sea level.

Nature is elusive and unpredictable, and the unexplained manifestations of its influence often leave us speechless. Though you might believe that shifting rocks and blood-colored rain are a prank or a magical phenomenon, science has an explanation for (almost) anything.

Not only do borders define us, but they also determine who we are. Simple lines on the ground, either man-made or geological, distinguish one culture from the next.

In 1859, wealthy settler Thomas Austin released 13 wild rabbits on his Australian estate. By 1920, their population grew to 10 billion.

There is a place in Austria called Grüner See which is a dry park in winter and turns into a 12-meter-deep lake in summer.

The city of Glasgow spends approximately £10,000 every year to remove traffic cones from the head of the Duke of Wellington statue. The Duke of Wellington statue, which first appeared in the early 1980s, has worn an orange traffic cone hat for decades. but how did it get there - and more importantly how did it stay?

The “Grana Double Tree” in Piedmont, Italy is a highly unusual tree, which consists of a cherry tree growing atop a mulberry tree. It is essentially a two-species, two-tiered hybrid duplex.

The remote tomb of Qasr al-Farid, situated in the Saudi Arabian desert, dates back to the 1st Century CE. It was built by the Nabataean people, who also built Petra in Jordan. This site has remained largely undisturbed.

Lake Khiluk, the world's most mineralized lake, and one of the most mysterious places on Earth. Each of these spots has a distinct chemical content and is said to cure various diseases.

In Poland, there is a forest with 400 crooked trees that have a 90-degree bend at the base of their trunks. Despite of numerous possibilities, the real reason and how it evolved remain a mystery.

Japan keeps a defunc train station operational in 2015 for the sole purpose of allowing one girl to go to school every day. Only two stops are made by the train: once when an only one high school student departs for school and once when she returns.

According to news sources, the top of Darwin's Arch, a famous natural stone archway in the northern Galapagos Islands, has collapsed into the waves.

Lake Taal, on the island of Luzon, in the Philippines archipelago's northernmost reaches, is unique. It's now one of just two lakes in the world with a third-order island within it, with the lake itself being a part of the order. In other words, Lake Taal, which is located on the island of Luzon, has a volcano (Volcano Island), a lake (Crater Lake), and its own little island (Vulcan Point).

Scientists have been puzzled by the Al Naslaa rock formation in Saudi Arabia for a long time, and there is still no explanation for why this boulder appears to have a precise incision across the middle of it.

Uruguay’s Laguna Garzon Bridge splits into a circle so drivers can slow down and enjoy the view. It also prevents head-on collisions and creates a walkway for pedestrians.

Some people believe that there is nothing unexplored remaining on earth but the world doesn't cease to surprise us with its mysteries. Today I'll tell you about the lost places of the planet and animals that live only there.

While we're all locked at home, there's no better way to escape to another time and place than to learn about amazing archeological sites and discoveries from around the world. Here are the 10 greatest and shocking archaeological discoveries —and don't be shocked if they inspire future trip plans whenever it's safe to do so again.

For over a century, Canada’s second-largest power company has been disguising its electrical substations in Toronto as beautiful houses that blend perfectly with the neighborhood. These fake houses contain transformers that supply electricity throughout the city.

The ancient city of Jericho is the world's oldest walled city, with evidence of stone fortifications dating back nearly 9000 years.

Sandy Island, charted since 1774, was long considered a phantom island in the Coral Sea. Despite appearing on maps and Google Earth, it was "undiscovered" by scientists in 2012, revealing only deep ocean instead of land. The island's existence was likely a cartographic error or a misidentified pumice raft.

The incredible Black and White Aragvi river in Georgia that do not mix up.

In the 1830s, Sweden planted 300,000 oak trees for the purpose of building naval ships. However, by the time the trees matured, metal warships had replaced the need for wooden ones. The forest still stands to this day.

For many years, people have been attracted to these spectacular-looking boulders because of their shape, components, location, or picturesque surroundings. Many of them are massive, and seeing them is an amazing experience.