Photo credit: Jeff Boyd

No, this isn’t a computer-generated scene from an upcoming apocalypse film, but rather the Manjanggul Lava Tubes on Jeju Island, in South Korea. For those who don’t already know, “lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption.” We’ve rounded up seven more mind-blowing lava tubes from around the world for your viewing enjoyment. Continue reading to see more.

7. Lava Tube at Mojave National Preserve (San Bernardino County, California)

6. Manjanggul Lava Tube (Jeju Island, South Korea)

5. Lavacicles in Mushpot Cave Lava Tube (California, USA)

4. Valentine Cave Lava Tube (Lava Beds National Monument, California)

3. Manjanggul Lava Tube (Jeju Island, South Korea)

2. Thurston Lava Tube (Hawaii Volcanoes National Park, Big Island of Hawaii)

1. Undara Lava Tubes (Queensland, Australia)

Bonus Videos

[Sources 1 | 2 | 3 | 4]