In an overnight trip from Bali, you can have an otherworldly experience by hiking through blue flames up an Indonesian volcano in the middle of the night.

12 Kawah Ijen is a popular tourist spot Credit: Getty 12 Hot sulphuric gases emerging from the surface of the crater burn an electric blue upon contact with the cold air Credit: Getty Topics ...

Ijen volcano / photo Syselpunk on Wikimedia Commons Well, the main feature of Ijen is that it is made up of a series of smaller cones and craters that follow in an east-west direction. One of them is ...

Kawah Ijen, the volcanic crater lake, in Indonesia’s eastern Java, is where miners go in search of sulfur, Oct. 28, 2014. Luca Catalano Gonzaga—Witness Image ...

Inside the crater of the the Ijen volcano in East Java, Indonesia, miners hammer out a living in the noxious sulphur fumes which expose them to a high risk of respiratory diseases. The Ijen ...

What makes Kawah Ijen truly unique is the hyper-acidic, turquoise lake found in its crater, says Delmelle. At about 3,000 feet in diameter and just over 600 feet deep, it’s the largest natural acidic ...

Ijen forms part of the Ijen UNESCO Global Geopark, which is comprised of Mount Ijen, the active volcano with its turquoise crater lake called Kawah Ijen, the most acidic lake in the world.

Wu took photos at Kawah Ijen and Mount Bromo a few hours away. "It was a holiday, but it was also quite a committed photo project for me at the same time," he says.

Indian travel vlogger Isa Khan has mesmerized the internet with a breathtaking glimpse of Indonesia’s Ijen Crater, where an extraordinary blue fire illuminates the night. Shared on Instagram ...