30 Secret Travel Spots You’ll Wish You Discovered Sooner

30. The Lava Waterfalls of Iceland’s Hallmundarhraun

Hidden deep within Iceland’s Hallmundarhraun lava fields lies a surreal spectacle that few travelers have ever witnessed—the glowing lava waterfalls. Created by a labyrinth of underground lava tubes, these rare formations occur when magma heats underground rivers, causing streams of molten rock and water to cascade down the cavern walls in a mesmerizing display of color and motion. The result? A glowing, almost otherworldly sight, where fiery orange meets deep blue in a dance of light and liquid stone. The best way to reach this hidden paradise is by joining a guided lava cave tour, which takes you through twisting tunnels, sparkling ice formations, and chambers lined with ancient volcanic rock. The contrast between Iceland’s icy landscapes above and the fire-lit rivers below makes this experience truly unforgettable. For adventure-seekers and nature lovers alike, the lava waterfalls of Hallmundarhraun offer a glimpse into the untamed power and beauty of our planet’s core—a sight so rare and ethereal that it feels like stepping into a fantasy world.