Mount Nyiragongo in Congo is a stunning stratovolcano that features the world’s largest lava lake and is one of the world’s most active volcanoes. It is located on the border of Congo and Rwanda and it’s over 11,000 feet high, according to Forbes. A hike to the summit of Nyiragongo volcano to see the volcano’s magma chamber is one mile wide and begins at the Kibati patrol post. There are park rangers and potters for hire to assist on the journey. Averagely, it takes 4 to 6 hours to reach the summit.