As EDM Life reported in September, Iceland’s Secret Solstice music festival held during 96 hours of straight sunlight in Reykjavik returns in 2018 from June 21-24.

Secret Solstice 2018 announced yesterday the return of their signature side events for their fifth edition. Into The Glacier and The Lava Tunnel will cater to both music and nature lovers for once in a lifetime experiences. The Into The Glacier side event will be held inside Europe’s second largest glacier, Langjökull, and The Lava Tunnel side event will be deep in the 5,200 year old Raufarhólshellir lava caves.

Into The Glacier will take place on Saturday, June 23 and The Lava Tunnel will be on both Saturday, June 23 and Sunday, June 24. Tickets to both Into The Glacier and The Lava Tunnel at Secret Solstice 2018 are available now here. Watch this space for the Secret Solstice 2018 side events lineup announcements, and checkout the “Secret Solstice presents: The Lava Tunnel and Into The Glacier 2018″ video below!