Grüner See, The Park That Turns Into A Giant Lake Naturally

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.

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.

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.

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

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.

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 Bajau are a group of people that practice extreme free diving, submerging for up to 13 minutes at depths of about 200 feet. These ‘sea nomads’ dive to catch fish or look for natural materials that can be used in crafts in the waters that surround the Philippines, Malaysia, and Indonesia.

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.

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.

In the Peak District Forest of the Scottish Highlands in the UK, there is a unique tree which is laden with only money. This tree laden with money has been studded with British coins for 1700 years, there is no corner of its trunk where a British coin is not stuck.

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.

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

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).

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.

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.

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.

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.

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.

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

Mysterious spherical stones ranging in size from a few millimeters to several meters have been discovered in Crimea, United States, Russia, and New Zealand. There are many theories from various geologists, but none of them are clear.

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.

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.

The unbelievable "Hanging Stone" of Siberia weighs around 300 tons and has been hanging off a 1,000-meter cliff since the Ice Age.

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.

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.