6 secret landmarks around the world you didn’t know existed

The world is full of iconic landmarks, but beyond the Eiffel Towers and Taj Mahals lies a hidden layer of secret, lesser-known places that are just as fascinating. From underground cities to forgotten islands, these landmarks feel like discoveries waiting to happen. (unsplash)

Aogashima Island: Aogashima is a remote island with a volcano inside another volcano. Despite its dramatic geography, a small community lives there, making it one of the most isolated inhabited places. (wikimedia commons)

Derinkuyu Underground City: Beneath Cappadocia lies an entire underground city that could shelter thousands. Built centuries ago, it includes living quarters, storage rooms, and ventilation systems, all hidden beneath the surface. (wikimedia commons)

Door to Hell: This fiery crater has been burning for decades after a drilling accident. The eternal flames in the desert give it its dramatic nickname, “Door to Hell.”

Salar de Uyuni: The world’s largest salt flat transforms into a giant mirror during the rainy season, reflecting the sky so perfectly that it feels like walking on clouds. (wikimedia commons)

Spotted Lake: This unusual lake forms colourful circular spots in summer due to mineral deposits. Each pool varies in colour depending on its chemical composition. (wikimedia commons)

Waitomo Glowworm Caves: These caves look like a starry night sky, but the glow comes from thousands of bioluminescent glowworms lighting up the ceiling, creating a surreal underground experience. (official website of waitomo caves)