Toronto’s Camouflaged Electric Substations

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

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.

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).

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.

When space meteorites hurtle towards Earth, they frequently burn up in the atmosphere before reaching us. Those that burn up become meteors - or shooting stars.

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.

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.

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.

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.

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.

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 “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.

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

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.

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.

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.

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

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.

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

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 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.

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

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.