10 Famous Underground Caves in the World

Caves are some of the most fascinating and awe-inspiring natural wonders on Earth. They are formed over millions of years by the erosive action of water, wind, and ice, and they can be found all over the world, in a wide variety of shapes and sizes.

Some caves are small and simple, while others are vast and complex, with multiple chambers and passageways. Some caves are filled with stunning stalactites, stalagmites, and other cave formations, while others are home to unique wildlife and ecosystems.

Whether you are a thrill-seeking adventurer or a curious nature lover, there is an underground cave out there that is sure to amaze you. Here is a list of 10 of the most famous underground caves in the world:

1. Mulu Caves

Mulu Caves

The Mulu Caves are a series of limestone caves located in Mulu National Park in Sarawak, Malaysia. The park is home to a vast network of caves, including the largest cave in Southeast Asia, the Sarawak Chamber. The Mulu Caves are also home to a variety of unique wildlife, including bats, snakes, and insects.

2. Jeita Grotto

 Jeita Grotto

Jeita Grotto is a complex of limestone caves located in the Jeita Valley in Lebanon. The cave system is divided into two sections: the Upper Grotto and the Lower Grotto. The Upper Grotto is a dry cave with impressive stalagmites and stalactites, while the Lower Grotto is a wet cave with a subterranean river.

3. Carlsbad Caverns

Carlsbad Caverns

Carlsbad Caverns National Park in New Mexico is home to over 100 limestone caves, including the world’s largest cave chamber, the Big Room. The Carlsbad Caverns are also famous for their gypsum chandeliers and other unique cave formations.

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4. Skocjan Caves

Skocjan Caves

The Skocjan Caves are a series of limestone caves located in the Karst region of Slovenia. The caves are known for their impressive underground canyons and waterfalls. The Skocjan Caves are also a UNESCO World Heritage Site.

5. Majlis al Jinn Cave

Majlis al Jinn Cave

Majlis al Jinn Cave is a massive limestone cave located in the Al Hajar Mountains of Oman. It is the largest known cave chamber in the world, and it is so large that it can fit a 10-story building inside.

6. Waitomo Glowworm Caves

 Waitomo Glowworm Caves

The Waitomo Glowworm Caves are a series of limestone caves located in the Waikato region of New Zealand. The caves are famous for their population of glowworms, which produce a magical starry night effect.

7. Puerto Princesa Subterranean River National Park

 Puerto Princesa Subterranean River National Park

The Puerto Princesa Subterranean River National Park in Palawan, Philippines is home to an impressive underground river that flows through a limestone cave system. The river is navigable for several kilometers, and it is possible to take boat tours of the cave system.

8. Cave of the Crystals

Cave of the Crystals

The Cave of the Crystals is a unique cave located in the Naica Mine in Chihuahua, Mexico. The cave is home to some of the largest natural crystals in the world, some of which are over 10 meters tall.

9. Reed Flute Cave

 Reed Flute Cave

The Reed Flute Cave is a limestone cave located in Guilin, China. The cave is known for its beautiful stalactites and stalagmites, which have been carved into intricate shapes by the erosive action of water.

10. Eisriesenwelt Cave

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Eisriesenwelt Cave

Eisriesenwelt Cave is the largest ice cave in the world, and it is located in the Austrian Alps. The cave is formed in a limestone glacier, and it is filled with impressive ice formations, including stalactites, stalagmites, and icefalls.


These are just a few of the many famous underground caves in the world. If you are looking for an adventure, or if you are simply curious about the natural world, I encourage you to visit one of these caves. You will not be disappointed.