The small Australian town of Helensburgh is home to one of the most amazing places on the planet – an abandoned railway tunnel that glows an eerie blue at night.
The Helensburgh Glow Worm Tunnel is an abandoned rail tunnel in Helensburgh, New South Wales which has become famous both for the ghost stories surrounding it and the glow worm colony that give it its iconic bioluminescent blue glow. Originally known as the Metropolitan tunnel, the 624-meter-long underground passage was inaugurated at the end of the 19th century and used to transport coal from the local mine to the suburbs. However, it closed down a couple of decades later and remained abandoned until the mid-90s, enough time for a colony of glow worms to claim it for themselves…
