1. Cagliari: Full-Day Tour of Neptune's Grotto
Following pick-up, head to the north of the island. The tour begins with in the natural room holding the clear waters of Lake Lamarmora, one of the largest saltwater lakes in Europe. Here, admire the 2-meter-tall stalagmite, the Baptismal Font, and the tall peaks that have formed vats to collect rainwater. Descend briefly to the Room of Ruins and the Majestic Reggia. Gaze at the impressive columns around this room, including a stalagmite called the Christmas Tree. Follow the lake to Pebble Beach before heading to the Smith Room where the Great Organ stands, which is the largest column in the grotto. After admiring the small columns that decorate the Lace Room, this tour comes to an end at the Music Gallery. Here, enjoy views from above the Reggia area and Lake Lamarmora.