Most Incredible Caves of the Planet

If you are a nature and adventure lover, you will surely love to discover the most impressive caves in the world. Throughout the length and breadth of the planet, there are caves of all kinds, some with extraordinary rock formations and others with subway lakes that look like something out of a fairy tale.

In this article, we invite you to learn about some of the most incredible caves on the planet, their most impressive features and the story behind their discovery. Get ready to enter a fascinating subway world!

The Blue Grotto in Capri, Italy: A Must-Visit Destination

The Blue Grotto, situated in the charming Italian island of Capri, is an iconic destination that attracts numerous visitors every year. The cave is renowned for its magnificent blend of blue and brilliant light. The dazzling light illuminates the cave through the entrance, reflecting off the massive hole underwater, creating a spectacular sight to behold.

Cave of the Crystals in Chihuahua, Mexico: An Incredible Underground World

Discovered in 2000, the Cave of the Crystals is a breathtaking wonder located in Chihuahua, Mexico. The cave is adjacent to The Cave of Swords, discovered 90 years before. Both caves have vastly different crystal sizes, humidity, and temperature. The crystals in the Cave of the Crystals are an astonishing 12m tall, while the Cave of Swords boasts 2m tall crystals.

With almost 100% humidity and temperatures reaching 60 degrees Celsius, an ordinary person can only stay in the Cave of the Crystals for about 10 minutes without proper equipment. The cave’s history is fascinating, with groundwater rich in gypsum filling the cave for 500 thousand years, heated by magma masses, creating these incredible natural crystal formations.

Krubera Cave in Abkhazia, Georgia: The Deepest Cave on Earth

The deepest cave on Earth, Krubera Cave, is located in the Republic of Abkhazia and has a depth of around 2200m. The cave is named after Russian geographer Alexander Kruber and is also known as the “cave of the crows” due to the large number of crow nests near the entrance. The cave was the world’s deepest until 2001, when Veryovkina Cave, with a depth of 2212m, was discovered.

Fingal’s Cave in Staffa, Scotland: A Natural Acoustic Cathedral

Fingal’s Cave is a magnificent cave located on the deserted Scottish island of Staffa. The cave’s unique shape, created by volcanic activity, forms huge basalt columns. Inside the cave, visitors can experience an acoustic wonder that feels like being inside a Catholic cathedral. The cave’s name originates from the main character of J. Macpherson’s book, Fingal, who was also known as the “white stranger.” The cave’s beauty was so inspiring that the famous composer Felix Mendelssohn wrote an overture dedicated to it.

Looking for a unique and adventurous travel destination? Look no further than the incredible caves around the world. From icy limestone formations to underground river systems, there is something for everyone to explore. In this article, we’ll take a closer look at the top four most incredible caves to visit around the world.

Eisriesenwelt Ice Cave in Werfen, Austria

The Eisriesenwelt Ice Cave, which translates to “World of the Ice Giants” in German, is a stunning business card of Austrian Werfen. This cave attracts over 200,000 visitors annually, and for good reason. One kilometer of the cave is covered with ice, which was first formed a thousand years ago due to the Salzach river forming passageways and snow that melted and then froze inside the cave. The cave’s ideal atmosphere keeps the ice alive, and new layers of it are added every spring.

To fully appreciate the beauty of this incredible cave, visitors can take a guided tour to explore its intricate ice formations and learn about its history. Some of the highlights of the tour include the “Ice Palace” and the “Great Ice Embankment.”

Puerto Princesa Subterranean River in Palawan, Philippines

The Puerto Princesa Subterranean River is a network of caves, waterfalls, and chambers located in Palawan, Philippines. This cave is a UNESCO World Heritage Site and a modern Wonder of Nature. The cave was discovered by geologists ten years ago and has since become one of the most spectacular places on Earth.

One of the unique features of this cave is its two-level river, which flows directly into the ocean. Visitors can take a guided boat tour to explore the river and see the incredible rock formations, including stalactites and stalagmites. The cave is also home to various sea animals and huge bats, making it an unforgettable experience.

Mammoth Cave National Park in Kentucky, USA

Mammoth Cave National Park is the longest cave system on the planet, located in Kentucky, USA. This cave system covers an area of 528.3 sq.km and offers various tour options for tourists. Visitors can explore the Grand Avenue or the Frozen Niagara inside the network, or take on the more extreme and less developed parts of the caves.

One of the most popular routes until 1990 was the Echo River Tour, which was closed due to the large number of visitors and the impact on the cave’s fauna. However, there are still plenty of other routes to explore, and visitors can learn about the history and geology of the cave through guided tours.

Škocjan Cave in Divača, Slovenia

The Škocjan Cave in Divača, Slovenia, is a member of the UNESCO World Heritage Sites and is one of the biggest underground cave systems in the world. This incredible cave was inhabited during prehistoric times and is now a habitat for many species of wildlife.

Visitors can take a guided tour to explore the cave’s stunning rock formations and underground rivers. Some of the highlights of the tour include the “Murski Most” or “Mur Bridge,” which is a natural bridge that connects two parts of the cave, and the “Silent Cave,” which has an incredible acoustic atmosphere.

Explore the Wonders of Carlsbad Caverns National Park

To fully experience the magnificence of Carlsbad Caverns National Park, visitors should take a guided tour. These tours are led by expert guides who will provide you with the necessary information and ensure your safety. The park also features the recently discovered bottomless pit, which may seem bottomless because it absorbs all sound and is filled with soft dirt. Despite this, it is known to have a bottom.

Submerge Yourself in the Glowworms of Waitomo Glowworm Caves

New Zealand’s Waitomo Glowworm Caves offer an experience unlike any other. With millions of tiny insects residing inside the cave, the Waitomo Glowworm Caves offer an awe-inspiring sight that attracts millions of visitors each year.

The caves are home to the largest colony of glowworms that are protected by people. To ensure the preservation of the ecosystem, professional staff members control the number of visitors entering the cave and monitor the atmosphere in the cave.


Both Carlsbad Caverns National Park and Waitomo Glowworm Caves are two of the world’s most fascinating underground wonders. Carlsbad Caverns National Park is home to the seventh largest chamber in the world, where visitors can explore the breathtaking views of natural rock formations.

Meanwhile, Waitomo Glowworm Caves offers visitors the chance to witness a spectacular natural phenomenon created by millions of glowworms. Whether you’re a fan of caves or nature, visiting these two destinations will be a memorable experience you’ll cherish for years to come.

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