The Cave Vidgelmir is known as the king of Icelandic caves, and for good reason—it's huge! With about 148,000m3 of space, this underground wonderland holds colorful formations, ancient lava sculptures dating back 1100 years, and seasonal ice that adds a cool vibe to the surroundings. The Cave Explorer Tour offers a comfy 1.5-hour journey into Iceland's largest lava cave, where you can learn about its creation and the powerful volcanic forces that have shaped the land. It's a unique experience that sheds light on how volcanic eruptions have influenced Icelandic culture and folklore. So, if you're up for an adventure into the depths of Víðgelmir, this is the place to be!