📜 Abandoned 1880s railway tunnel, officially known as the Metropolitan Tunnel. 🔍 Now a popular tourist attraction, home to a large colony of bioluminescent glowworms in New South Wales. # Why Go ✨ Witness a stunning display of blue-green bioluminescent glowworms 🚂 Explore a historical disused railway tunnel 📸 Unique photography opportunities in the dark # Why Avoid ⚠️ Tunnel can be muddy and slippery, especially after rain 📵 Little to no phone reception inside 🤫 Loud noises and lights disturb the glowworms, impacting the experience 🚫 Access may be restricted for conservation purposes # Tips 🔦 Bring a torch but avoid shining it on the ceiling or at other visitors 👟 Wear waterproof boots for muddy conditions 🔇 Keep quiet to observe the glowworms 🚫 Do not use camera flash, create fire-twirling photos, smoke, or leave rubbish, as it harms the glowworms 🚶 Avoid visiting alone due to slippery conditions and lack of reception # 🅿️ Parking Roadside parking available.