… Amazing place used as the setting for other Hollywood movies including Tarzan, incredibly marvelous cave complex has now been open for nearly 100 years- Aracena’s Cave of Marvels (Gruta de las Maravillas). …Haunting site which has been wowing thousands of tourists each year since 1914, when it was first opened. To create this dream-like underworld, nature has worked silently for 550 million years forming 12 chambers and six underground lakes which can be explored through tunnels on a one kilometer route over three levels. The shapes are formed when carbonate-based rocks come into contact with water and start to […]