The majestic Incan citadel is located around 8,000 feet above sea level atop a narrow mountain ridge in a remote section of the Andes.
The operations in the ancient Incan world were more successful than those during the American Civil War.
The Nazca Lines are a series of giant ancient drawings etched into the sands of the Peruvian desert.
More than 500 years ago, a mass sacrifice of 140 children occurred in what is now Peru.
There has been a "discriminatory interpretation" of the role women held in Peru, the historian said.
Archaeologists uncovered the remains in burial ground containing at least 47 tombs.