Taal volcano: The Island in a Lake on an Island in a Lake on an Island

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

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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

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.

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

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.

Forest bathing, or Shinrin-yoku, is an immersive practice of spending mindful time in natural forest environments, and it’s rapidly gaining global popularity due to its proven health benefits. From reducing stress and lowering blood pressure to boosting immunity and enhancing mental wellness, forest bathing offers a natural and accessible way to reconnect with nature and improve overall well-being. Explore the science, sensory experience, and rising trend behind this soothing practice.

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.

Lake Hillier in Australia maintains a bright pink hue all year round. Although no one knows for sure what causes the unique coloring, experts speculate that it might be the result of high salinity, a pink bacteria called “halobacteria,” and a salt-loving algae species called Dunaliella salina.

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.

Although global warming is a serious threat to the entire planet, some geographical regions are more vulnerable to its effects.

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.

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

The dissemination of spores of microalgae has been identified as the origin of the 'Blood Rain' phenomena, according to a new study by Indian and Austrian experts. Since 1896, reports of intermittent red-colored rain in portions of Kerala and Sri Lanka have been coming in. The most recent one occurred in 2013 over Kerala.