Doñana Park contains a variety of ecosystems and shelters thousands of migratory birds and species like deer, eagles, and lynx. It has been designated a UNESCO World Heritage Site and Biosphere Reserve. Mount Teide is an active volcano in the Canary Islands, the highest point in Spain, and the third highest volcano in the world. It has also been designated a UNESCO World Heritage Site. The Sierra Nevada is a popular tourist destination known for its ski resorts, warm weather, and proximity to the coast. It was formed by the collision of the African and Eurasian plates.