World Exploration: Top 9 Caves and Subterranean Spectacles for the Intrepid Explorer
Waitomo Glowworm Caves, New Zealand: A celestial display by bioluminescent creatures underground.
Mammoth Cave, USA: The world’s longest cave system with diverse formations.
Skocjan Caves, Slovenia: UNESCO site with enormous chambers and a massive underground canyon.
Jeita Grotto, Lebanon: Limestone caves known for their extraordinary formations and stalactites.
Cave of Crystals (Sistine Chapel of Crystals), Mexico: Gigantic selenite crystals in Naica.
Cango Caves, South Africa: Ancient stalagmites and stalactites in the Swartberg mountains.
Postojna Cave, Slovenia: Stunning karst caverns accessible by a unique cave train.
Phong Nha-Ke Bang National Park, Vietnam: Home to Son Doong, the world’s largest cave.
The Blue Grotto, Italy: A sea cave on the coast of Capri illuminated with an ethereal blue glow.