The Narusawa Ice Cave is a natural monument and lava tube located in Narusawa, Japan.

The Fugaku Wind Cave is a natural monument featuring ice walls and lava shelves.

Komakado Kazaana Cave is a naturally formed underground tunnel.

Manjanggul is one of the longest lava tubes in the world.

Surtshellir is a lava tube and cave system located in western Iceland.

Víðgelmir is one of the largest lava tubes in the world located in Iceland.

Raufarhólshellir is one of the longest lava tubes in Iceland.

Búri is a renowned lava tube cave located in the Ölfus region of Iceland, known for its impressive size and remarkable ice formations.