Abandoned Hospital San Juan de Dios The crumbling remains of a once-grand building. Boiling Mud Pools of San Jacinto Volcanic activity causes small pools of super-heated mud to boil furiously. Carvings of El Jalacate Located in the mountains of Nicaragua, one man has spent most of life beautifying a massive cliff by hand. Cerro Negro The youngest volcano in Central America. El Fortín de Acosasco This hilltop fort is a dark holdover from one of Latin America's bloodiest dictatorships. Isletas de Granada This group of small islands on Lake Nicaragua formed after an eruption of the Mombacho volcano. 1 2 Next »