On a deserted stretch of coastline, dramatic shows of water crashing on the rocks that sprays over in the natural pool. This occurs on a regular basis as the tide rushes to shore. In a unique formation of rock, volcanic stone circles a small depression, creating a tranquil pool known locally as "Conchi" or "Cura di Tortuga."
The island has enormous Diorite stones scattered throughout the island, Ayo Rock Formations and Casibari Rock Formations are the most remarkable from the collections. Arawak Indian rock drawings beautifies the rock formation of Ayo. Casibari's huge tonalite boulders sit together in an area just north of Hooiberg. This rock formation rises up from the desert soil to create an unusual setting and spectacular photo opportunities. Some of the boulders weigh several tons and feature peculiar forms. The Government of Aruba has created walking trails and steps through the boulders, allowing hikers to reach the top to obtain breathtaking views of the island
There are different caves located along the northern shore within the Arikok National Park Aruba. These caves intrigue sightseers that are looking to enter into these damp chambers, are surprised with mysterious views of rock drawings, or fast wings of a nervous bat and nature's artwork of stalactites and stalagmites.
The Fontein Cave is most visited of the caves as it is the one that has the drawings of Arawak Indians on the ceilings, giving a true appreciation of the island history to this cave.
The Guadirikiri Cave is well-known for its two spaces, illuminated by the sunlight flowing through holes in the roof of the cave. The cave ranges for about 100 feet. In the bleaker part of the cave shells hundreds of harmless bats. The Huliba Cave is also called the Tunnel of Love because of the heart shaped opening at its entrance.