Prepare to be mesmerized by the stunningly deep blue waters of Bláhylur, a volcanic crater lake nestled in the dramatic landscapes of the Icelandic Highlands. You can conveniently drive right up to the crater's edge for a breathtaking view, a perfect, quick stop if you're exploring the area. For an even more spectacular panorama of the lake and the surrounding mossy lava fields, take the short but steep 45-minute round-trip hike up the nearby hill—the rewarding view is absolutely worth the effort. Just remember, you'll need a 4x4 vehicle to navigate the mountain roads that lead to this unforgettable spot.