Son Doong is among the most magnificent caves in the world.

The Huffington Post has published caves that leave visitors in awe, including Vietnam's Son Doong Cave.

Son Doong Cave, Quang Binh, Vietnam:With the main cave section being more than 5km long, some sections of Son Doong are large enough to accommodate an airplane. The cave has its own climate, rivers, jungles and natural sinkholes. This cave is not for the faint of heart, as visitors must overcome a difficult and challenging journey. Photo: National Geographic.

Batu Caves, Kuala Lumpur, Malaysia:The Batu Caves system will take you into a space formed 400 million years ago, with a temple at the cave entrance and a giant statue of Lord Murugan. Inside, visitors will discover Hindu paintings and statues. You can easily get here by train from Kuala Lumpur. However, to enter the cave, you have to climb a staircase of 272 steps. Photo: Placestoseeinyourlifetime.

Blue Ice Cave, Skaftafell, Iceland:Located in the heart of Iceland’s Svínafellsjökull glacier, the Blue Cave feels like another world. The transparent blue dome looks magnificent and mysterious when the light shines in. Photo: Amusing Planet.

Benagil Cave, Algarve, Portugal:Visitors can only enter here by boat or kayak. Once inside, you can relax on the smooth sand, sunbathe and watch the clouds through the natural sinkhole in the cave ceiling. Note, only enter here during low tide. Photo: Ourplnt.

Waitomo Glowworm Caves, Waitomo, New Zealand:This is one of the world's most interesting natural phenomena. This underground cave is lit up by millions of insects, creating a magical atmosphere. The cave and its ecosystem are strictly protected, so only a certain number of people are allowed to enter each day. Photo: Huffington Post.

Tham Lot Cave, Mae Hong Son, Thailand:Tham Lot Cave is 15 meters high. Visitors can walk in or kayak along the Nam Lang River. You will admire the giant cave arches, with stalactites and stalagmites. Going deeper inside, visitors will see teak coffins dating back more than 2,000 years. Photo: Telegraph.

Marble Cave, Patagonia, Chile:After more than 6,000 years, the waves have created a spectacular sight in the middle of Lake General Carrera: an ice cave rising high above the water, below are marbled chambers with beautiful curves. Visitors can explore this place by boat or kayak when the weather is good. Photo: Thetimenow.

Reed Flute Cave, Guilin, China:This cave has magnificent and magical stalactites. It was discovered by people hiding from the Japanese during World War II. There are also writings and poems in the cave dating back to 792 AD. Photo: Bidtotrip.

Cango Caves, Western Cape, South Africa:The 150,000-year-old Cleopatra Needle in Cango Caves is nearly 9 meters high. This stunning cave, located under South Africa's Swartberg Mountains, features stalactites and large caverns that date back to prehistoric times. Adventurers can explore Devil's Chimney, a challenging route with narrow, difficult-to-navigate passages. Photo: Nomadtours.

Fingal Cave, Staffa, Scotland:According to legend, Fingal's Cave is the end of a bridge that once spanned the Giant's Causeway in Ireland, built by the Irish giant Finn McCool to face his Scottish enemy, Benadonner. In fact, the cave's impressive shape was formed by ancient lava flows that appeared 60 million years ago. You can only reach the cave by boat, then walk inside. This place is also known as the "cave of melody" because of the mysterious sounds that echo from the waves crashing against the rocky shore. Photo: Bidtotrip.

Carlsbad Caverns, New Mexico, USA:It took nature 6 million years to carve out what Will Rogers once described as “a Grand Canyon with a roof.” The more than 100 limestone caves that make up Carlsbad stretch beneath the Guadalupe Mountains in New Mexico. The trails are well-maintained, with handrails and guided tours. From late spring to early fall, you can see thousands of bats flying out to feed at dusk or dawn. Photo: Mowryjournal.

According to Zing.vn