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Not your average vacation: Volcano open to tourists, just watch your step

In a remote area of Congo, Africa's most active volcano is putting on the biggest display in over a century.

Though scientists have set up a safety zone around the volcano, Virunga National Park is inviting tourists on an overnight trek to view a spectacular eruption of Mount Nyamulagira.

Rivers of lava are flowing slowly north into an uninhabited part of the park.

For more information: Tourists invited to see erupting Congo volcano

Cai Tjeenk Willink / AP

A park ranger stands guard as Mount Nyamulagira erupts in eastern Congo on Friday, Nov. 11.