A 7,000-year-old ostrich egg found in a Nubian grave might depict one of the most recognizable sights in the world: the pyramids of Giza. But if that’s true, it means they were already standing 2,000 ...

The ancient Igbo pyramids are located in Udi, Enugu, Nigeria but have long been forgotten and are probably in ruins. The wonder of the Igbo pyramids started in 1935, when British anthropologist and ...