Top 10 Most Beautiful Caves

Thousands of bioluminescent Arachnocampa luminosa larvae illuminate the limestone caverns like a starry sky, creating one of the Southern Hemisphere's most magical natural spectacles.

Carved by 6,000 years of wave action on General Carrera Lake in Patagonia, these swirling blue marble caverns reflect turquoise glacial water in patterns that shift with the seasons.

This UNESCO World Heritage Site features a massive underground canyon carved by the Reka River, with a chamber so vast that a footbridge spans 47 metres above the rushing water below.

New Mexico's iconic cave system includes the Big Room, one of the largest natural limestone chambers in North America, decorated with elaborate stalactites, stalagmites, and delicate soda straw formations.

Located in Guilin, this 240-metre-long cave features a dazzling array of stalactites, stalagmites, and rock formations illuminated by multicoloured lights, with inscriptions dating back over 1,200 years.

The world's largest accessible ice cave extends 42 kilometres into the Tennengebirge mountains near Salzburg, with towering ice formations shaped by freezing winds that sweep through the limestone caverns.

Among the oldest open caves on Earth at 340 million years old, these Blue Mountains limestone caves contain pristine crystal formations and an underground river system in New South Wales.

New Mexico's deepest cave at 489 metres harbours extraordinary gypsum chandeliers and hydromagnesite balloon formations found almost nowhere else, though access is restricted to approved scientific researchers.

A collapsed ceiling allows sunlight to stream into this dramatic cave in Khao Sam Roi Yot National Park, illuminating a royal pavilion built in 1890 for King Chulalongkorn's visit.

Thousands of bioluminescent Arachnocampa luminosa larvae illuminate the limestone caverns like a starry sky, creating one of the Southern Hemisphere's most magical natural spectacles.

Carved by 6,000 years of wave action on General Carrera Lake in Patagonia, these swirling blue marble caverns reflect turquoise glacial water in patterns that shift with the seasons.

This UNESCO World Heritage Site features a massive underground canyon carved by the Reka River, with a chamber so vast that a footbridge spans 47 metres above the rushing water below.

New Mexico's iconic cave system includes the Big Room, one of the largest natural limestone chambers in North America, decorated with elaborate stalactites, stalagmites, and delicate soda straw formations.

Located in Guilin, this 240-metre-long cave features a dazzling array of stalactites, stalagmites, and rock formations illuminated by multicoloured lights, with inscriptions dating back over 1,200 years.

The world's largest accessible ice cave extends 42 kilometres into the Tennengebirge mountains near Salzburg, with towering ice formations shaped by freezing winds that sweep through the limestone caverns.

Among the oldest open caves on Earth at 340 million years old, these Blue Mountains limestone caves contain pristine crystal formations and an underground river system in New South Wales.

New Mexico's deepest cave at 489 metres harbours extraordinary gypsum chandeliers and hydromagnesite balloon formations found almost nowhere else, though access is restricted to approved scientific researchers.

A collapsed ceiling allows sunlight to stream into this dramatic cave in Khao Sam Roi Yot National Park, illuminating a royal pavilion built in 1890 for King Chulalongkorn's visit.