Google Maps street view can now take you inside the Marum Crater, in the Pacific nation of Vanuatu.

Two intrepid explorers Geoff Mackley and Chris Horsley, rappelled 400 meters into the Marum crater with a "Street View Trekker" to collect 360-degree images of the molten lava lake.

You can see the images they took, in typical street view style, by clicking through the link below, it's worth moving around a bit, and look up, it's quite breath taking and gives you an idea of how dangerous this expedition must have been.

https://goo.gl/maps/Lqcwa6h7Cc42