MYSTERY + MARS. Güímar hides TWO extraordinary secrets. The PYRAMIDS OF GÜÍMAR: 6 step pyramids aligned with the solstices that NOBODY can explain - saved from demolition and turned into an ethnographic park. Museum, botanical garden, Poison Garden (unique in Spain). Plus minutes away: MALPAÍS DE GÜÍMAR - 290-hectare Special Nature Reserve of solidified black lava that looks like another planet. Easy trails, volcanic caves, prehistoric plants. FREE. Finish at Puertito de Güímar: fishing village, tapas by the sea.