Mount Ngauruhoe, New Zealand (7/20)

Mount Ngauruhoe, located in the Tongariro National Park on New Zealand’s North Island, is one of the most active volcanoes in the country. It gained worldwide fame as the location for Mount Doom in The Lord of the Rings. Visitors can hike the Tongariro Alpine Crossing, one of the world’s best day hikes, which offers incredible views of the volcano and its striking crater lakes.